Page 39 - SPARK OF MATH book 4
P. 39
(2-4) Numbers to the Power of 2 and 3.
The power of 2:
The little number ‘2’ is called ‘index’,
‘power’ or ‘exponent’ and it tells us
how many times to multiply out the
big number ‘5’.
The big number «5» is called the «base» and
is what we multiply together.
5²= 5×5= 25
Multiply two of them
³ 5³= 5×5×5= 125
The power of 3
5 ³
is the same as
5×5×5
25×5
5³= 125
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