griffislandon74
10.03.2021 •
Mathematics
A feather weighs about 8.2 x 10-3grams. A penny weighs 2.5 grams. How many feathers would you need to equal the same weight as a penny?
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Ответ:
A. Side a is 7 inches long and side b is 6 inches long.
Step-by-step explanation:
a = 21/3 = 7
b = 18/3 = 6