shiann01 shiann01

26-08-2020
Mathematics

contestada

Use front-end estimation to estimate the difference.
92.1 - 18.56
80
70
60
50

Respuesta :

sqdancefan sqdancefan

26-08-2020

Answer:

70

Step-by-step 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

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