First use front-end rounding to write an estimate of the answer, and then multiply fully to obtain an exact answer.EstimateProblem
?
A. Estimate: 2,110, exact: 1,800.1279
B. Estimate: 210, exact: 180.11279
C. Estimate: 210, exact: 18,011.279
D. Estimate: 2,100, exact: 1,801.1279
Answer: D
Mathematics
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Determine if the statement is a rational equation.
= 
A. Yes B. No
Mathematics
Provide an appropriate response.Find the circumference of a circle with a radius of 7 in. (round to the nearest hundredth).
Fill in the blank(s) with the appropriate word(s).
Mathematics
Identify the numerator and the denominator of the fraction.
A.
| numerator: | 9 |
| denominator: | 1 |
B.
| numerator: | 4 |
| denominator: | 5 |
C.
| numerator: | 5 |
| denominator: | 4 |
D.
| numerator: |  |
| denominator: | 5 |
Mathematics
Evaluate the sum. 
A. 90 B. -90 C. 6561 D. -18
Mathematics