Question

EXERCISE 1E
Estimate each of the following products by rounding of each number to the nearest ten:
1. 38 x 63
2. 54 x 47
3.28 68
4. 42 x 75
5. 6458
6.15 x 34​

Answer 1

Answer:

1. 40×60=2400

2. 50×50=2500

3.30×70=2100

4. 40×80=3200

6. 20×30=600