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Popular >

simplify (3k^4)(7k^5)

Solution

simplify

(3 k^{4}) (7 k^{5})

Solution

21 k^{9}

Solution steps

(3 k^{4}) (7 k^{5})

Apply exponent rule:

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

k^{4} k^{5} = k^{4 + 5}

= 3 \cdot 7 k^{4 + 5}

Add the numbers:

4 + 5 = 9

= 3 \cdot 7 k^{9}

Multiply the numbers:

3 \cdot 7 = 21

= 21 k^{9}

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Frequently Asked Questions (FAQ)

What is (3k^4)(7k^5) ?
The solution to (3k^4)(7k^5) is 21k^9