Answer :
Answer:
120
Step-by-step explanation:
first round both numbers because we're estimating
31 is about 30
43 is about 40
these numbers are easier to multiply
30 x 40
=120
Answer:
120
Step-by-step explanation:
first round both numbers because we're estimating
31 is about 30
43 is about 40
these numbers are easier to multiply
30 x 40
=120