Questions: 8.4 × 10^5

Transcript text: $8.4 \times 10^{5}$

Solution

Step 1: Understand the notation

The expression $8.4 \times 10^{5}$ is in scientific notation, where $8.4$ is the coefficient and $10^{5}$ represents $10$ raised to the power of $5$.

Step 2: Calculate $10^{5}$

The term $10^{5}$ means $10$ multiplied by itself $5$ times: \[ 10^{5} = 10 \times 10 \times 10 \times 10 \times 10 = 100{,}000. \]

Step 3: Multiply the coefficient by $10^{5}$

Multiply $8.4$ by $100{,}000$: \[ 8.4 \times 100{,}000 = 840{,}000. \]

\[ \boxed{840{,}000} \]

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