Question

Write in scientific notation (8.6x10^7)+(5.8x10^7)

Answer 1

To add the numbers in scientific notation \( (8.6 \times 10^7) + (5.8 \times 10^7) \), you can combine the coefficients since they have the same exponent.

1. Add the coefficients:
\[
8.6 + 5.8 = 14.4
\]

2. Since both terms are multiplied by \( 10^7 \), you can write:
\[
14.4 \times 10^7
\]

3. However, to express it in proper scientific notation, you need to have one non-zero digit to the left of the decimal point. To do this, you can convert \( 14.4 \) to \( 1.44 \) and increase the exponent by 1:
\[
14.4 \times 10^7 = 1.44 \times 10^8
\]

So, the result of \( (8.6 \times 10^7) + (5.8 \times 10^7) \) in scientific notation is:
\[
1.44 \times 10^8
\]