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Popular >

simplify (7a)(5a^7)

Solution

simplify

(7 a) (5 a^{7})

Solution

35 a^{8}

Solution steps

(7 a) (5 a^{7})

Apply exponent rule:

a^{b} \cdot a^{c} = a^{b + c}

a a^{7} = a^{1 + 7}

= 7 \cdot 5 a^{1 + 7}

Add the numbers:

1 + 7 = 8

= 7 \cdot 5 a^{8}

Multiply the numbers:

7 \cdot 5 = 35

= 35 a^{8}

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Frequently Asked Questions (FAQ)

What is (7a)(5a^7) ?
The solution to (7a)(5a^7) is 35a^8