Question

ALGEBRA HELP PLEASE THANKS Evaluate the expression using exponential rules. Write the result in standard notation. $\frac{4 x 10^{-4} }{20 x 10^{2} }$

Answer 1

Answer:

$2 \times 10 {}^{ - 7}$

Step-by-step explanation:

$\frac{4 \times 10 {}^{ - 4} }{20 \times 10 {}^{2} } = \frac{0.0004}{2000} = 2 \times 10 {}^{ - 7}$

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