Use front-end rounding to round each number. Then, add or subtract the rounded numbers to get an estimated answer. Finally, find the exact answer.estimate exact
A. Estimate: 14,000; exact: 14,577.74
B. Estimate: 15,000; exact: 15,577.74
C. Estimate: 14,000; exact: 14,477.74
D. Estimate: 15,000; exact: 15,477.74
Answer: B
Mathematics
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Find a formula for the nth partial sum of the series and use it to find the series' sum if the series converges.
+ 
+ 
+ ... + 
+ ...
A. 
; 7
B. 
; 7
C. 
; 7
D. 
; 7
Mathematics
Identify the base and the exponent. Do not evaluate.-9.75
A. Base: 5, exponent: -9.7 B. Base: 9.7, exponent: 5 C. Base: -9.7, exponent: 5 D. Base: 5, exponent: 9.7
Mathematics
Multiply or divide the fractions. Reduce to simplest form.
÷ 
A. 
B. 5x2 + 5x
C. 
D. 5x2
Mathematics
An important calculation in calculus is the evaluation of the expression 
, where h ? 0. Find 
.f(x) = -14 - 5x
A. 
B. 
C. 5
D. -5
Mathematics