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Exam 2: Measurement and Problem Solving

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Question 61

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The typical problem-solving procedure involves four steps in the order:

A) sort,strategize,solve,check.
B) strategize,solve,sort,check.
C) check,strategize,sort,solve.
D) solve,sort,check,strategize.

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Question 62

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A solution map is the section near the back of the textbook that provides the answers to assigned problems.

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Question 63

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If you are given the mass and density of an object,you can calculate the volume by using the equation: V = m/d.

A nine gigagram mass is heavier than a nine nanogram mass.

The correct prefix for the multiplier 100 is:

The correct prefix for the multiplier 1,000,000,000 is:

The decimal value 10 is equal to which exponential?

The correct number of significant figures in the number 4.0 × 10^-2 is:

A room has dimensions of 10.0 ft × 20.0 ft × 8.00 ft.Given that there are three feet in a yard,what is the volume of the room in yd³?

In multiplication or division calculations,the answer will have the same number of decimal places as the number carrying the most decimal places.

When the value 4.449 is rounded to two significant figures,the number should be reported as:

How many cm³ are there in 1.25 ft³?

What is the density (g/mL) of an object that has a mass of 14.01 grams and,when placed into a graduated cylinder,causes the water level to rise from 25.2 mL to 33.6 mL?

How many milliliters are in 17.5 L?

Numbers are usually written so that the uncertainty is in the last reported digit.

The decimal number 0.0000010 expressed in scientific notation is 1.0 × 10⁶.

The correct number of significant figures in the number 1.250100 is:

Given that 1 inch equals 2.54 centimeters,then 1 cubic inch equals 16.387 cubic centimeters.

Suppose a symmetrical metal rod of the element lead has a density of 11.4 g/cm³.If this rod is cut in half,the density of each piece is now 5.7 g/cm³.

The number 0.010100 has five significant figures.