We know that 43 is 4 x 4 x 4, and 43 = 64.
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3 to the third power (3^3) is equal to 27. 4 to the third power (4^3) is equal to 64. Combining the 2 answers (27*64) we have 1968.
8 to the power (2/3) equals 4.
3^5*4^5 = (3*4)^5 = 12^5
(-3)4 = 81 (positive).
A number with a negative power (or index/exponent) is equal to the reciprocal of that number but with the equivalent positive power. For example, a-3= 1/a3. Thus,. (-3)-4 = 1/(-3)4 = 1/81