What is the value of a^3, if a =7
2 answers:
Ok so remember
x^n means x times itself n times
example
x^2=x times x
x^4=x times x times x times x
so
a^3
a=7
a^3=a times itself 3 times therefor
a^3=a times a times a
subsitute 7 for a
7^3=7 times 7 times 7
7^3=343
If a = 7, then we can substitute 7 for a in the equation
.
= 7
· 7 · 7 =
343
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