43.5k views
1 vote
Use front-end estimation to estimate the difference.

92.1 - 18.56
80
70
60
50

User Bdonlan
by
7.6k points

1 Answer

3 votes

Answer:

70

Explanation:

Here, you're expected to round the numbers to the nearest 10, then do the subtraction:

92.1 -18.56 ≈ 90 -20 ≈ 70 . . . estimated answer

User Avv
by
8.7k points

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