1.) Express the following number in decimal notation: 4.22 x 10-3

Q: A student sets up the following equation to convert a measurement. (The ?stands for a number the…

A: we need to convert from N/cm to N/mm

Q: How many significant figures should there be in the answer to the following problem?…

A:

Q: Indicate how many significant figures there are in (a) 0.305 0 (b) 0.003 050 (c) 1.003 X 104

A: a.  0.3050 Number of significant figure:  4   b.  0.003050 Number of significant figure:  4

Q: if i have to supply the missing information for this conversion factor what would the answer be?…

A: The amount of matter present in a substance is known as its mass. It is the measure of actual…

Q: 5-Perform the following calculation and report the result to the correct number of significant…

A: There are two rules of significant figures that are involved in calculations : a) The rule in…

Q: Consider the equation: (9 x 10^-38) x (9.00 x 10^3) x 35.3= Y  how many significant figures should Y…

A: The significant figures can be defined as the digits in the given number that carry some meaning and…

Q: Calculate the difference between the numbers. (9.330 x 10-4) – (2.674 × 10-³) = * TOOLS x10

A: To calculate the difference between two numbers.

Q: 3- Perform the following calculation and report the result to the correct number of significant…

A:

Q: A student sets up the following equation to convert a measurement.

A: Unit converstions :  1. mole unit conversion:    1 mol = 103 mmol        where mmol stands for…

Q: The prefix “micro-“ means 1 x 10^-6. Convert 752 micrometers to meters.

A:

Q: what is the distance traveled in meters of a car traveling at 3.0 x 101 km/hr after 3.0 x 101…

A:

Q: Perform this calculation by first converting the numbers into scientific notation and then…

A: According to significant figures' rule, there should be no digits in the answer if we multiply one…

Q: otes: # of significant figures in the ans [NAOH] = 2.0 x 10³ M.

A: 6) [OH-] = 3.5×10-2 [H3O+] = 1.0×10-14/3.5×10-2    = 2.9×10-13 M 7) [NaOH] = 2.0×10-3 M As, NaOH is…

Q: The number 1.00430 has ________ significant figures.

A: The given number is 1.00430

Q: To the correct number of significant figures calculate log(4.399x104).

A: Significant figures are the digits of a number that have meaning in terms of accuracy or precision.

Q: 1. How many significant figures are in the number 0.0840900? Write the following number in standard…

A: Zero between digits is significant Zero left to decimal is non significant Zeroes just after decimal…

Q: Multiply the following and express your answer in appropriate scientific notation, and a correct…

A:

Q: The density of iron is 7.87 g/mL. What is the mass of a 4.00 cm × 4.00 cm × cm × 1.00 cm block of…

A: given density = 7.87 g/ml cross section = 4.00 cm × 4.00 cm × 1.00 cm

Q: How many significant figures would this calculation have if it were completed: (9.04-8.23 +21.954…

A:

Q: How many significant figures should be retained in the result of the following calculation?12.00000…

A: In multiplication or division involving significant figures, the final answer should be reported as…

Q: Answer the expression below with the appropriate number of significant figures. 2.4 x 10-4 + 3.1 x…

A: Significant figures are used to express the result in a more precise manner

Q: Add 2.23 x 10^4 and 2.7 x 10^3 Give the answer in the correct format with the correct number of…

A:

Q: How many significant figures should the answer to this calculation have? 0.998213 g 10.00 mL X mL 1…

A: Calculate significant digit in the given questions---

Q: calculate the following significant figures:  a.) 7.890 x 1012/ 6.7 x 104 b.) (67.8 x 9.8)/…

A: Part a: On multiplication or division, the answer obtained has the same number of significant figure…

Q: Division - express all answers in the correct significant figures - be sure to include units 2…

A: Significant figures are those digits which are absolutely necessary while indicating the quantity of…

Q: Evaluate to the appropriate number of significant figures and express in scientific notation: (4.791…

A: Given:

Q: How many significant figures are in the number 0.0204600? Express this number in scientific…

A: Zeroes before 2 are not countable but after 6 are countable. So it has 6 significant figures.

Q: Round the following number to four significant figures and express the result in standard…

A: The value given is 229.613.

Q: A student sets up the following equation to convert a measurement. (The ? stands for a number the…

A:

Q: Express (7.64x10^5) g in SI base units using scientific notation.

A: For the base quantities like temperature, mass, length, time and etc, the international system of…

Q: How do I know the number of significant figures if the decimal notation is 8,725 km and the scientic…

A:

Q: Carry out the division and enter the quotient with the proper number of significant figures in…

A: This is a division operation and in division, the number of significant figures are equal to the…

Q: Calculate and give the correct number of significant figures: (4.5 × 10-14) × (5.2 × 103) = (6.1 ×…

A:

Q: When multiplying 602.4 m by 3.72 m, which value determines the number of significant figures in the…

A: There are some rules for assessing the count of significant figures in a number. For division and…

Q: Two undefined numbers expressed in regular notationare s hown below, along with the number of places…

A: Scientific Notation: In science when the number is too large or too small to perform any…

Q: Add 4.13 x 104 and 7.4 x 10³ Give the answer in the correct format with the correct number of…

A: Rule of addition with significant figure:  When adding measurements with significant figure, the…

Q: Calculate .076 X 41 , answer with the correct number of significant figures

A:

Q: A student sets up the following equation to convert a measurement. (The ? stands for a number the…

A: Unit conversions involve conversion of a unit of a physical quantity into another unit of same…

Q: baking soda, 1.1×10- M Express your answer using two significant figures.

A: Salts hydrolyze in aqueous solution. NaHCO3→Na++HCO3-

Q: How many significant figures should be retained in the result of the following calculation? Co…

A: Given information,  12.00000 × 0.9893 + 13.00335 × 0.0107

Q: Round off each number in the following calculation to onefewer significant figure, and find the…

A: We have to round off every number on the equation to onefewer significant digits and then find the…

Q: Express the following  calculations in scientific notation (1.0 X 10^4) X (9.9 X 10^6) 145.75 +…

A: 9.9 × 1010

Q: 4. Express a density of 4.05 x 10° kg/m in g/L.

A:

Q: Express the following number in decimal form: 6.02 •10^4

A: Scientists have formed a shorter method to represent extremely large quantities. This system is…

Q: 2-Perform the following calculation and report the result to the correct number of significant…

A:

Q: Identify the number of significant figures in the number 1.0 x 10^10

A: Rules for significant figures are:  1. All non zero digits are significant. 2. If two non zero…

Q: 6 points Smee d: pound

A: Alkenes can be defined as the organic compounds that contain double bod between carbon atoms

Q: Complete the following table. Decimal notation                      Scientific notation…

A: in scientific notation method when number is too large or too small then it can be written in…

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.