Round the numbers so that there is only one non-zero digit, and estimate the answer. Then perform the indicated operation to find the exact answer.62.9 - 8.29
A. estimate: 52; exact: 54.61
B. estimate: 62; exact: 64.74
C. estimate: 62; exact: 62.64
D. estimate: 52; exact: 54.71
Answer: A
Mathematics
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A. 48 gal B. 6 gal C. 24 gal D. 3 gal
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Convert the area as indicated.0.098 square meters to square centimeters
A. 98 cm2 B. 9.8 cm2 C. 9800 cm2 D. 980 cm2
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Find the exact value of y, or state that y is undefined.y = cos-1 0
A. undefined
B. 
C. 0
D. ?
Mathematics