First, round the mixed numbers to the nearest whole number and estimate the answer. Then find the exact answer and write it in simplest form.5
? 9
A. 56
B. 53
C. 57
D. 45
Answer: A
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Adjust the problem so that the coefficient is in the proper form.45 × 104
A. 4.5 × 104 B. 4.5 × 103 C. 0.45 × 104 D. 4.5 × 105
Find the area of the shaded region in the figure. Round results to the nearest unit.Find the shaded area in the figure.
A. 27.9 cm2 B. 55.8 cm2 C. 158 cm2 D. Not enough information.
Use the horizontal line test to determine whether the function is one-to-one.
A. Yes B. No
Write the following as a sum using powers of 10 to show place value.0.300398
A. 0 ? 10-1 + 3 ? 10-2 + 0 ? 10-3 + 0 ? 10-4 + 3 ? 10-5 + 9 ? 10-6 + 8 ? 10-7 B. 0 ? 101 + 3 ? 100 + 0 ? 10-1 + 0 ? 10-2 + 3 ? 10-3 + 9 ? 10-4 + 8 ? 10-5 C. 0 ? 100 + 3 ? 101 + 0 ? 102 + 0 ? 103 + 3 ? 104 + 9 ? 105 + 8 ? 106 D. 0 ? 100 + 3 ? 10-1 + 0 ? 10-2 + 0 ? 10-3 + 3 ? 10-4 + 9 ? 10-5 + 8 ? 10-6