Use significant figures rule

Calculate to the correct number of significant figures.a. 0.004 + 0.09879                     b. 1239.3 + 9.73 + 3.42c. 2.4 - 1.777                       d. 532 + 7.3 - 48.523

Determine the number of significant figures. 1. 3.4 / 0.025356 + 236.00 - 76.357  2. 5.6786 + 246.346133 + 0.3257413 - 0.9246435

The most common units for density are ___________.

What exponent or power of ten would you use to express how many meters are in a kilometer? a. 105 b. 103 c. 104 d. 102

Consider multiplying “26.2” by “16.43.” What would a mathematician say the answer is? What would a scientist say? Justify the scientist’s answer, not merely citing the rule, hut explaining it.

At sea, distances are measured in nautical miles and speeds are expressed in knots. 1 nautical mile =6076.12ft 1 knot =1 nautical mi/h (exactly) (a) How many miles are in one nautical mile? (b) How many meters are in one nautical mile? (c) A ship is traveling at a rate of 22 knots. Express the ship's speed in miles per hour.

For Exercises 57 and 58, apples cost $1.75 per pound. . What conversion factor is appropriate to express the cost of 5.3 lb of apples? . What conversion factor could be used to determine how many pounds of apples could be bought for $25.00?

Consider the calculation indicated below: 2.210.072330.154.995 Explain why the answer to this calculation should be reported to only two significant digits.