Question

Estimate the product of each of the following by rounding of each number to the nearest ten.

Answer 1

Answer:

1. 50*70=3500

2. 30*60=1800

3.40*80=3200

4. 80*90=7200

5. 60*80=4800

6. 60*60=3600

7. 40*30=1200

8. 20*40=800

9. 90*20=1800

10. 90*30=2700