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1) a
^{2 }
x a
^{7 }
2)a
^{6}
/ a
^{5}
1) a
^{9 }
2) a
^{1 }
or a
^{The two powers add if the sign in the middle is times. If Sign is divide then the powers take away.}
1. (a
^{2}
)
^{3 }
Rule:
(a
^{n}
)
^{m }
= a
^{n x m}
1. a
^{6 }
1. a
^{-5 }
2. (2/3)
^{-5 }
Rule: a
^{-n }
= 1/a
^{n}
1. 1/a
^{5 }
2. Work out Reciprocal of 2/3 which is 3/2
The power of -5 turns positive after working out Reciprocal.
So.... (3/2)
^{5}
Work it out
(3/2)
^{5}
=3
^{5}
/2
^{5 }
= 243/32
^{}
^{ }
Rule: a
^{1/2}
= √a
a
^{1/m}
=
^{m}
√a
1. 9
^{ 1/2 }
2. 8
^{1/6}
^{}
1. √9 = 3
2.
^{6}
√8 = 16.9705627485
Author:
K3vlar15
ID:
290809
Card Set:
Indices
Updated:
2014-12-06 20:53:50
Tags:
Rules
Folders:
Maths Revision
Description:
Indices
Show Answers:
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