Exam 1: Organizing and Visualizing Numeric Data

A company did a poll of how their 800 employees commuted to work. The results are shown in

Simplify.

Multiply the integers.

Find the LCM of 4 and 20.

Find the perimeter of the rectangle.

Ty received the following scores for his first 4 tests: 89%, 91%, 78%, 84% Ty got a score of 98% on his fifth test. Find the mean of all five tests.

A pair of shoes cost $65.75. If the sales tax rate is 8%, what is the total bill?

Convert the units of length using unit ratios.

Simplify the expression using the order of operations. Write the answer as a fraction in lowest terms or as an integer.

Multiply.

Which number is closer to 1 on the number line? -2 or 6

Estimate the sum by first rounding each number to the nearest ten.

Subtract. Write the answer as a fraction simplified to lowest terms.

Write the repeated multiplication in exponential form. Do not simplify.

Multiply the fractions.

The sales tax on a bookcase is $14.00. If the bookcase cost before tax is $280, what is the sales tax rate?

The figure represents the results of a survey on favorite foods. How many more people voted for burgers than for pizza?

Refer to the number line to add the integers.

Multiply.

Simplify. 120 ÷ 4. 3