4.4951 X 10^9 + 2.8725 X 10^9

Question

Step by step in scientific notation.

Answer 1

To add the numbers in scientific notation:

Step 1: Arrange the given numbers to have the same exponent.
4.4951 × 10^9 + 2.8725 × 10^9

Step 2: Sum the coefficients.
4.4951 + 2.8725 = 7.3676

Step 3: Keep the same exponent.
The exponent remains as 10^9.

Step 4: Write the final answer in scientific notation.
7.3676 × 10^9