Question

Help please thank you!

Answer 1

Estimate: 97 to 100

Estimate: 78 to 80

80 times 100 = 8000

Real: 97

Real 78

97 times 78 = 7566

Answer 2

97 rounds up to 100
78 rounds up to 80
100x80= 8,000
estimate=8,000

97x78=7,566
product=7,566