Estimate the quotient by first rounding each number as indicated.197.63 ÷ 53.5; Estimate by first rounding each number to the nearest ten.
A. 4
B. 0.4
C. 6
D. 40
Answer: A
Mathematics
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Find the volume.A cube measuring 22 m on each edge
A. 11,000 m3 B. 960 m3 C. 66 m3 D. 480 m3
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Solve.x2 + y2 = 113x + y = -15
A. x = 7, y = -8; x = 8, y = -7 B. x = -7, y = -8; x = -8, y = -7 C. x = -7, y = 8; x = -8, y = 7 D. x = 7, y = 8; x = 8, y = 7
Mathematics
Simplify the expression. Assume that variables represent nonzero numbers.(n4)6(m5n)4
A. m9n14 B. m20n96 C. m20n28 D. m20n25
Mathematics
Solve the equation by making an appropriate substitution.x - 8
- 128 = 0
A. {192} B. {256} C. {512} D. {128}
Mathematics