Use front-end rounding to round each number. Then, multiply the rounded numbers to get an estimated answer. Finally, find the exact answer.estimateexact
?
A. Estimate: 1500; exact: 1790.0532
B. Estimate: 1510; exact: 1789.0532
C. Estimate: 150; exact: 17,900.532
D. Estimate: 150; exact: 179.00532
Answer: A
Mathematics
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Classify the angle as acute, obtuse, right, or straight.
A. Acute B. Obtuse C. Straight D. Right
Mathematics
Solve triangle ABC. If necessary, round the answer to the nearest tenth.A = 70°, B = 20°, a = 5 meters
A. C = 90°, b = 5.3 m, c = 1.8 m B. C = 90°, b = 1.8 m, c = 5.3 m C. C = 90°, b = 5.3 m, c = 0.8 m D. C = 90°, b = 2.8 m, c = 5.3 m
Mathematics
Write the expression as one logarithm.log2 12 - log2 x
A. log2 
B. log2 (12 - x)
C. log4 
D. log2 
Mathematics
Complete.668 mm = 
cm
A. 6680 B. 66.8 C. 66,800 D. 6.7
Mathematics