Will give brainliest if you answer first and correctly

Mathematics

1 answer:

maria [59]2 years ago

6 0

Answer:

a=14/3

a=4.6

Step-by-step explanation:

a+5 2/3=9

a+ 15/3-2/3=9

a+ 13/3=9

Subtract 13/3 from both sides

a=14/3

a=4.6

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

jok3333 [9.3K]

Answer:

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:

$(2^{3})^{7}*(2^{-9})^{2}=2^{21}*2^{-18}=2^{21+-18}=2^{3}$