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I will give brainliest please help me asap! Simplify the expression. Make sure you have all positive exponents.​

I will give brainliest please help me asap Simplify the expression Make sure you have all positive exponents class=

Respuesta :

ayalewaw2006

Answer:

[tex]{x}^{21} [/tex]

Step-by-step explanation:

x^7×3

x^21

ashirnaveed825

Answer:

x^21.

Step-by-step explanation:

=(x^7)^3 (first multiply the powers like 3*7 it gives result 21)

=x^21   ( so the power of x becomes 21)

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