Question

simplify the numbers
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Answer 1

Question :-

Simply :

A. ${(- 9)}^{100} \times {( - 9)}^{20}$

B. ${( - 20)}^{15} + {( - 20)}^{10}$

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Solution :-

A. ${( - 9)}^{100} \times {( - 9)}^{20} \\ \\ {( -9)}^{100 + 20} = { ( - 9)}^{120}$

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B. ${( - 20)}^{15} + {( - 20)}^{10} \\ \\ {( - 20)}^{10} [5 + 1] \\ \\ {( - 20)}^{10} [6]$

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The Product Rule for Exponents (used in A):

➛ $am \times an = am + n$

Answer 2

Answer:

A. (-9)¹⁰⁰×(-9)²⁰

=(-9)¹⁰⁰+²⁰

(-9)¹²⁰

b. (-20)¹⁵+(-20)¹⁰

=(-20)¹⁰ [5+1]

(-20)¹⁰ [6]

Step-by-step explanation:

hope it is helpful for you