ALGEBRA HELP PLEASE THANKS Evaluate the expression using exponential rules. Write the result in standard notation. (4 x 10^(-4) )/(20 x 10^(2) )

Question

ALGEBRA HELP PLEASE THANKS Evaluate the expression using exponential rules. Write the result in standard notation.
`(4 x 10^(-4) )/(20 x 10^(2) )`

Answer 1

`2 * 10 {}^( - 7)`

Explanation:

`\frac{4 * 10 {}^( - 4) }{20 * 10 {}^(2) } = (0.0004)/(2000) = 2 * 10 {}^( - 7)`

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