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.What is 7.17 less 1.711?
A. Estimate: 5; exact: 5.459
B. Estimate: 6; exact: 6.459
C. Estimate: 5; exact: 5.469
D. Estimate: 6; exact: 6.469
Answer: A
Mathematics
You might also like to view...
Write the expression in the standard form a + bi.
10
A. 
+ 
i
B. - 
+ 
i
C. 
- 
i
D. - 
- 
i
Mathematics
Provide an appropriate response.Consider the sample space of 36 equally likely outcomes to the experiment in which a pair of dice is rolled. Determine whether the events E and F are mutually exclusive.E: The sum is eight.F: The numbers are the same.
A. No B. Yes
Mathematics
Find the product. Try to do the work mentally.1 ? 7 ? 3
A. 11 B. 21 C. 31 D. 28
Mathematics
Factor out the GCF from the polynomial.12x8y8 - 40x3y4 - 40x6y2
A. 4(3x8y8 - 10x3y4 - 10x6y2) B. 4x3(3x5y8 - 10y4 - 10x3y2) C. 4x3y2(3x5y6 - 10y2 - 10x3) D. x3y2(12x5y6 - 40y2 - 40x3)
Mathematics