Chapter 1

Multiply each approximate number and retain the proper number of digits in your answer. $$4 .900 \times 59.3$$

Symbols of Equality and Inequality Insert the proper symbol of equality or inequality \((=, \approx,>,<)\) between each pair of numbers. \(\frac{2}{3}\) and 0.667

Adding and Subtracting Signed Numbers Combine as indicated. $$-771-(-976)$$

Combined Operations with Exact Numbers. Perform each computation by calculator. $$\frac{647+688}{337+108}$$

Convert each fraction to a percent. Round to three significant digits. $$\frac{7}{10}$$

Write each number as a power of \(10 .\) $$1,000,000$$

Convert the following customary units. 89,600 pounds to tons.

Dividing Approximate Numbers Divide, and then round your answer to the proper number of digits. $$-99.4 \div 286.5$$

Evaluate each expression. Retain the proper number of significant digits in your answer. Powers. $$10^{2}$$

Multiply each approximate number and retain the proper number of digits in your answer. $$93.9 \times 0.0055908$$

Evaluate each expression. $$|4|$$

Adding and Subtracting Signed Numbers Combine as indicated. $$1123-(-704)$$

Combined Operations with Exact Numbers. Perform each computation by calculator. $$\frac{809-463+1858}{958-364+508}$$

Convert each fraction to a percent. Round to three significant digits. $$\frac{3}{7}$$

Write each number as a power of \(10 .\) $$0.0001$$

Convert the following customary units. 8552 ounces to pounds.

Dividing Approximate Numbers Divide, and then round your answer to the proper number of digits. $$-4.8 \div-2.557$$

Evaluate each expression. Retain the proper number of significant digits in your answer. Powers. $$10^{4}$$

Multiply each approximate number and retain the proper number of digits in your answer. $$4.97 \times 9.27 \times 5.78$$

Evaluate each expression. $$|-3|$$

Adding and Subtracting Signed Numbers Combine as indicated. $$818-(-207)+318$$

Combined Operations with Exact Numbers. Perform each computation by calculator. $$(5+6)^{2}$$

Convert each percent to a decimal. $$23 \%$$

Write each number as a power of \(10 .\) $$0.001$$

Convert the following metric units. Write your answer in scientific notation if the numerical value is greater than 1000 or less than 0.1. 364,000 meters to kilometers.

Dividing Approximate Numbers Divide, and then round your answer to the proper number of digits. $$5836 \div 8264$$

Multiply each approximate number and retain the proper number of digits in your answer. $$69 .0 \times(-258)$$

Evaluate each expression. Retain the proper number of significant digits in your answer. Powers by Calculator. $$(8.55)^{3}$$

Evaluate each expression. $$-|-6|$$

Adding and Subtracting Approximate Numbers Combine each set of approximate numbers as indicated. Round your answer. $$4857+73.8$$

Combined Operations with Exact Numbers. Perform each computation by calculator. $$(422+113-533)^{4}$$

Convert each percent to a decimal. $$2.97 \%$$

Write each number as a power of \(10 .\) $$100,000,000$$

Convert the following metric units. Write your answer in scientific notation if the numerical value is greater than 1000 or less than 0.1. 0.000473 volt to millivolts.

Dividing Approximate Numbers Divide, and then round your answer to the proper number of digits. $$5.284 \div 3.827$$

Multiply each approximate number and retain the proper number of digits in your answer. $$-385 \times(-2.2978)$$

Evaluate each expression. Retain the proper number of significant digits in your answer. Powers by Calculator. $$(1.07)^{5}$$

Evaluate each expression. $$-|9-23|-|-7+3|$$

Adding and Subtracting Approximate Numbers Combine each set of approximate numbers as indicated. Round your answer. $$39.75+27.4$$

Combined Operations with Exact Numbers. Perform each computation by calculator. $$(423-420)^{3}$$

Convert each percent to a decimal. $$287 \frac{1}{2} \%$$

Write each number in scientific notation. $$186,000$$

Convert the following metric units. Write your answer in scientific notation if the numerical value is greater than 1000 or less than 0.1. 735,900 grams to kilograms.

Dividing Approximate Numbers Divide, and then round your answer to the proper number of digits. $$94,840 \div 1.33876$$

Multiply each approximate number and retain the proper number of digits in your answer. $$2.86 \times(4.88 \times 2.97) \times 0.553$$

Evaluate each expression. Retain the proper number of significant digits in your answer. Powers by Calculator. $$(9.55)^{3}$$

Evaluate each expression. $$|12-5+8|-|-6|+|15|$$

Adding and Subtracting Approximate Numbers Combine each set of approximate numbers as indicated. Round your answer. $$296.44+296.997$$

Combined Operations with Exact Numbers. Perform each computation by calculator. $$\left(\frac{853-229}{874-562}\right)^{2}$$

Write each number in scientific notation. $$0.0035$$