(2^3)^7 (2^-9)^2 how do i put that in exponential form

2³ = 8

Step-by-step explanation:

According to the laws of exponents, when raising a power to another power, you need to multiply the exponents.  After you multiply each set of exponents by the additional power, then it become a multiplication problem where the base is the same.  When multiplying exponents with the same base, you keep the base and add the exponents:  

b

2

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b

b

3

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7

b

2

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14

b

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6

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3

b

3

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7

b

2

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14

b

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6

%

step-by-step explanation: