angelapegues20097
04.01.2021 •
Mathematics
If a = -3, find the value of
a) 2a
b) a2
c) 3a2
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Ответ:
Step-by-step explanation:
Given
a = - 3
for a)
= 2* (-3)
= -6
for b)
= (-3)²
= 9
for c)
= 3 * (-3)²
= 3 * 9
= 27
Hope it helps :)
Ответ: