Question

Exercise 3.5: Estimate the product as indicated. Check how close the estimate
is by actual calculation.
A. By rounding to the nearest ten.
1) 76 x 18 2) 65 x 32
3) 84 x 57
5) 44 x 55
4) 28 x 82
B. By rounding to the nearest hundred.
453 x 152 2) 643 x 549
3) 538 x 659
4) 755 X 819
5) 712 x 826
C. By rounding up one number and rounding down the other number, to the
nearest ten.
1) 85 x 42
2) 48 x 38
3) 27 x 36
4) 45 x 45
5) 68 x 92
D. By rounding up one number and rounding down the other number, to the
nearest hundred.
1) 463 x 151
2) 743 x 549
3) 583 x 695
4) 842 x 349
5) 646 x 714​

Answer 1

1.d

2.b

3.e

4.d

thanks for the question me