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Popular >

simplify 3ab*(7ab^2)

Solution

simplify

3 ab \cdot (7 a b^{2})

Solution

21 a^{2} b^{3}

Solution steps

3 ab (7 a b^{2})

Apply exponent rule:

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

aa = a^{1 + 1}

= 3 b \cdot 7 a^{1 + 1} b^{2}

Add the numbers:

1 + 1 = 2

= 3 b \cdot 7 a^{2} b^{2}

Apply exponent rule:

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

b b^{2} = b^{1 + 2}

= 3 \cdot 7 a^{2} b^{1 + 2}

Add the numbers:

1 + 2 = 3

= 3 \cdot 7 a^{2} b^{3}

Multiply the numbers:

3 \cdot 7 = 21

= 21 a^{2} b^{3}

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Frequently Asked Questions (FAQ)

What is 3ab*(7ab^2) ?
The solution to 3ab*(7ab^2) is 21a^2b^3