3 years ago

Select the correct answer.

Mathematics

2 answers:

nekit [7.7K]3 years ago

5 0

Answer: B, I and IV

Step-by-step explanation:

it might not be B for everyone but it is I and IV

zimovet [89]3 years ago

4 0

Answer:

Step-by-step explanation:

The answer is B, I and IV only

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How much is one thousand minus one hundred

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Step-by-step explanation:

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3 years ago

Read 2 more answers

(3a) (a^-3) please help I'm very confused if possible please show your work! <:D

kupik [55]

$\bf ~\hspace{7em}\textit{negative exponents} \\\\ a^{-n} \implies \cfrac{1}{a^n} ~\hspace{4.5em} a^n\implies \cfrac{1}{a^{-n}} ~\hspace{4.5em} \cfrac{a^n}{a^m}\implies a^na^{-m}\implies a^{n-m} \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ (3a)(a^{-3})\implies 3a\cdot \cfrac{1}{a^3}\implies \cfrac{3a}{a^3}\implies \cfrac{3~~\begin{matrix} a \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~}{aa~~\begin{matrix} a \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~}\implies \cfrac{3}{a^2}$