a^1/9 times a^2/3 expresswith positive exponents?

2009-08-28 7:29 pm

回答 (5)

2009-08-28 7:35 pm

✔ 最佳答案

a^1/9 x a^2/3 =

a^1/9 x a^6/9 =

a^7/9

(Get a common denominator and then add the exponents)

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2009-08-28 7:46 pm

a^(1/9) * a^(2/3)
= a^(1/9 + 2/3)
= a^[1/9 + (2 * 3)/(3 * 3)]
= a^(1/9 + 6/9)
= a^(7/9)

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2009-08-28 7:34 pm

a^1/9 X a^2/3
= a^(1/9 + 2/3)
= a^7/9

QED

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2009-08-28 7:34 pm

a^(1/9 + 2/3)
=a^ (7/9)

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2009-08-28 7:33 pm

a^(7/9)

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