To calculate \( 8% \) of \( 5 \times 10^7 \), follow these steps:
- Convert the percentage to a decimal: \( 8% = 0.08 \).
- Multiply \( 5 \times 10^7 \) by \( 0.08 \):
\[ 0.08 \times (5 \times 10^7) = 0.08 \times 5 \times 10^7 \]
- Calculate \( 0.08 \times 5 \):
\[ 0.08 \times 5 = 0.4 \]
- Now multiply \( 0.4 \) by \( 10^7 \):
\[ 0.4 \times 10^7 = 4 \times 10^6 \]
So, \( 8% \) of \( 5 \times 10^7 \) is \( 4 \times 10^6 \).