To multiply two numbers written in scientific notation, you multiply the coefficients and add the exponents.
(5.5 x 10^4) * (2.2 x 10^-8) = (5.5 * 2.2) x (10^4 * 10^-8) = 12.1 x 10^-4
Therefore, the answer is 3. 12.1 x 10^-4.
What is 5.5 x 10^4 multiplied by the 2.2 x 10^-8? Write the answer in the scientific notation.
1. 1.21 x 10^-5
2. 1.21 x 10^-4
3. 12.1 x 10^-4
4. 1.21 x 10^-3
1 answer