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QUESTION IMAGE

how do you write $7.9 \\times 10^{-5}$ in standard form?

Question

how do you write $7.9 \times 10^{-5}$ in standard form?

Explanation:

Step1: Understand negative exponent rule

A negative exponent means dividing by $10^n$, so $10^{-5} = \frac{1}{10^5} = 0.00001$

Step2: Multiply by the coefficient

Multiply 7.9 by 0.00001, which shifts the decimal 5 places left.
$7.9 \times 0.00001 = 0.000079$

Answer:

0.000079