: Multiply
65 by 215.
Answers
Answered by
2
Answer:
2
5
6
5
=
(5)
2
1
(5)
6
1
=5
6
1
−
2
1
=5
6
1−3
=5
6
−2
=
5
6
2
1
Note :
Laws of the exponents used :
1. \: \: \: \: \: \: \: \: \: \sqrt{x} = (x {)}^{ \frac{1}{2} }1.
x
=(x)
2
1
2. \: \: \: \: \: \: \frac{ {a}^{m} }{ {a}^{n} } = {a}^{m - n}2.
a
n
a
m
=a
m−n
3. \: \: \: \: \: \: {a}^{ - m} = \frac{1}{ {a}^{m} }3.a
−m
=
a
m
1
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