Indices and Scientific Notation

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What is the product of $2^3$ and $2^2$?

$2^3 \times 2^2 = 2^{3+2} = 2^5 = 32$.

How do you add $3 \times 10^4$ and $4 \times 10^4$?

To add, combine the coefficients: $(3 + 4) \times 10^4 = 7 \times 10^4$.

What is the quotient of $5^6$ and $5^2$?

$\frac{5^6}{5^2} = 5^{6-2} = 5^4 = 625$.

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