Multiply the numerical coefficients, then use an exponent rule to determine the final exponent on 10.(4 × 108)(2 × 107)
A. 8 × 1016
B. 8 × 108
C. 8 × 1056
D. 8 × 1015
Answer: D
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Classify the fraction as proper or improper.
A. proper B. improper
Provide an appropriate response.Sunfresh Bakery makes Italian bread that costs $1.34 per loaf. Past experience shows that 8 percent of the loaves will spoil and have to be discarded. Assuming Sunfresh wants a 45 percent markup based on cost and produces 250 loaves, each loaf of bread should sell for:
A. $2.08 B. $1.94 C. $2.11 D. $2.95
Provide an appropriate response.The value of a decimal, like a whole number, is based on the:
A. monetary system B. digit system C. place-value system D. metric system
Solve the problem.Janet is planning to take karate lessons. The lessons cost $34 per month. In addition, there's an initiation fee of $10 and the uniform costs $22. What are Janet's total costs for the first year?
A. $440 B. $430 C. $792 D. $418