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Which answer choice shows the simplified version of this expression?

(5a^4)(4a^3)

Answer choices:

20a^12
9a^7
20a^7
9a^12


Which Answer Choice Shows The Simplified Version Of This Expression 5a44a3 Answer Choices 20a12 9a7 20a7 9a12 class=

Sagot :

Answer:

20a^7

Step-by-step explanation:

a^b(a^c)=a^(b+c)

Step-by-step explanation:

=>(5a)(4a³)

=>5a*4a³

=>20+³

=>20