Use the Zero Exponent Rule to simplify. All variables are nonzero.90
A. -1
B. 0
C. 1
D. 9
Answer: C
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Solve the problem.Last year, Maria earned $378 per week. This year, her salary increased to 
per week. What is the percent of increase? Round to the nearest tenth of a percent.
A. 9% B. 91% C. 91.7% D. 8.3%
First, use front-end rounding to round each number and estimate the answer. Then, find the exact answer.Chi bought 2 items at Lucky Pete's market. She bought a pound of butter for $0.68 and a gallon of milk for $3.09. What was the total amount that she paid for both of these items?
A. Estimate: $ 4; exact: $3.77 B. Estimate: $ 5; exact: $1.68 C. Estimate: $ 3; exact: $3.77 D. Estimate: $ 4; exact: $1.68
Find the integral.
Insert either < or > in the blank between each pair of numbers to make a true statement.28.0303 
28.033
A. > B. <