Answer the following. (a) a certain solution has a hydrogen ion concentration of 2.21 x 10-6 moles per liter. Write this number in standard notation.  (b) an African bush elephant can weigh up to 28,000 pounds. Write this number in scientific notation.

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A: The expression is the inverse cotangent function of 15.5. This expression basically means to find…

Q: Answer the following  (a) a certain solution has a hydrogen ion concentration of 1.65 x 10-6 moles…

A: a) The concentration of hydrogen ion in solution in standard notation:   0.00000165 Moles/Liter.

Q: Simplify the following without the use of a calculator:

A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: Simplify without using a calculator. (6.0 x 1013)(9.0 × 10®) 2.0 x 10-6

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Q: Question 9 Write the number in scientific notation. 0.00061 O 61 x 10-5 O 6.1 x 10-4 O 6.1 x 10-6 O…

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Q: A sun in a galaxy has an estimated mass of 1.55272 x 10^32 kg and the earth has a mass of 5.972 x…

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Q: The number 3.14063 written to 3 decimal places is

A: The number 3.14063 written to 3 decimal places is 3.141

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A: The value of sec-1(4) is:

Q: Use a calculator to find the value of each expression rounded to two decimal places.sec-1(-4/3)

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Q: Use your calculator to estimate each of the following. Express final answers in scientific notation…

A: The given number is 86196

Q: Use your calculator to estimate each of the following. Express final answers in ordinary decimal…

A: Given number is 0.7854.

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A: The expression to calculate the magnitude of the earthquake is, M=23 log10EE0⋯⋯⋯1 Given, the first…

Q: At a certain zoo, the average mass of one cow is measured to be 410 kilograms. Use scientific…

A: NOTE: Refresh your page if you can't see any equations. . the mass of one cow is 410 kg now find the…

Q: Add the following and express your answer in appropriate scientific notation: (4.7 x 107) + (4.1 x…

A: We have to add 4.7×107+4.1×107 and express it in appropriate scientific notation.

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Q: Why is there a need to convert the hours into minutes?

A: The explanation is as follows:

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Q: The approximate areas of Washington State and New Jersey are listed below: Washington State: 1.85 x…

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Q: The number 0.000 045 56 expressed in scientific notation correct to 3 significant figures is:

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Q: what is 1 hour to 72 minutes in simplest form

A: what is 1 hour to 72 minutes in simplest form

Q: Use your calculator to estimate each of the following. Express final answers in scientific notation…

A: 45764

Q: Hello, Can you help me solve this on a ti 84 calculator? Thank you

A: • For sample 1, we know that the sample proportion is p^1=0.523\hat p_1 = 0.523 and the sample size…

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Q: why 1-0.08? Why did you use those spesific formulas?

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A: Given number is: 3145

Q: Hello, What is the circled notation in the attached image? How do you solve it? Thank you

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Q: Use your calculator to estimate each of the following. Express final answers in ordinary decimal…

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Q: Compute the following and give your answer in scientific notation: (7.0 x 10°) ÷ (2.0 × 102) = x 10^

A: compute the following

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A: To evaluate the value of (14,800)2 using calculator. Solution:…

Q: Use your calculator to estimate each of the following. Express final answers in scientific notation…

A: Given number is,                          2812

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Q: simplify the expression 221,000 x 0.014 using scientific notation and express your answer in…

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Q: The diameter of the lead of a pencil is about 5 x 10-2. Write 5 x 10-using standard notation.

A: Given: The diameter of the lead of a pencil is about 5×10-2.

Q: QUESTION 1 Express this number in Scientific Notation and round to 4 significant figures 561.13500 O…

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Q: Use your calculator to evaluate each of the following. Express final answers in ordinary notation.…

A: given,         450,0002

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Q: press the equation in exponential form. (a) In(x + 5) = 7 (b) In(x – 4) = 2

A: Exponential form

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