Asked by Cheyanne
Simplify the following:
1) 32^1.2
2) (-216)^(-2/3)
3) -(-27)^(-4/3)
Note: 32^1.2 is 32 raised to the 1.2 power
1) 32^1.2
2) (-216)^(-2/3)
3) -(-27)^(-4/3)
Note: 32^1.2 is 32 raised to the 1.2 power
Answers
Answered by
bobpursley
1. 32=2^5
32^1.2=(2^5)^1.2=2^10
2. -216=-2*108=-2*2*54=-2*2*2*27=
=-2^3 *3^3
((-6)^3)^-2/3= Now the sign is tricky.
The cube root of a negative number is negative.
- 1/36
32^1.2=(2^5)^1.2=2^10
2. -216=-2*108=-2*2*54=-2*2*2*27=
=-2^3 *3^3
((-6)^3)^-2/3= Now the sign is tricky.
The cube root of a negative number is negative.
- 1/36
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