rachel2735
31.05.2021 •
Mathematics
Estimate 12.32+7.636 by first rounding each number to the nearest tenth. pls help need the right answer thank u
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Ответ:
Explanation:
12.32 rounds to 12.3 when rounding to the nearest tenth (aka one decimal place). The digit in the tenths place stays the same because the next digit over is not 5 or larger.
7.636 rounds to 7.6 when following the same rule
Adding those two rounded values gets us 12.3+7.6 = 19.9
Ответ:
S.A. = 1,017.36
Step-by-step explanation:
S.A. =
12 x 12 x 3.14 = 452.16
3.14 x 12 x 15 = 565.2
565.2 + 452.16 = 1,017.36