Answer:
A. 10
Step-by-step explanation:
Actual math:
1.89 x 5.2 = 9.8
round it off gives you 10.
alternatively,
using estimation:
round off 1.89 as 2
round off 5.2 as 5
so 2 x 5 = estimated to be 10
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Answers & Comments
Answer:
A. 10
Step-by-step explanation:
Actual math:
1.89 x 5.2 = 9.8
round it off gives you 10.
alternatively,
using estimation:
round off 1.89 as 2
round off 5.2 as 5
so 2 x 5 = estimated to be 10