First, use front-end rounding to round each number and estimate the answer. Then, find the exact answer.Julian is taking a road to Calistoga. He has already driven 76.19 kilometers. If the entire distance to Calistoga is 132 kilometers, how much further must Julian drive?
A. Estimate: 20 kilometers; exact: 55.91 kilometers
B. Estimate: 30 kilometers; exact: 56.81 kilometers
C. Estimate: 30 kilometers; exact: 65.81 kilometers
D. Estimate: 20 kilometers; exact: 55.81 kilometers
Answer: D
Mathematics
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A. 0.2 mg B. 0.02 mg C. 2000 mg D. 20,000,000 mg
Mathematics
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Mathematics