Question
What is 5.5×10^4 multiplied by 2.2×10^−8 ? Write the answer in scientific notation.
A. 1.21 x 10^-3
B. 1.21 x 10^-5
C. 12.1 x 10^-4
D. 1.21 x 10^-4
A. 1.21 x 10^-3
B. 1.21 x 10^-5
C. 12.1 x 10^-4
D. 1.21 x 10^-4
Answers
GPT 3.5
To multiply numbers in scientific notation, we multiply the coefficients and add the exponents.
The coefficient is calculated as 5.5 × 2.2 = 12.1.
The exponent is calculated as 4 + (-8) = -4.
Therefore, the answer is 1.21 × 10^(-4).
The correct option is D. 1.21 x 10^-4.
The coefficient is calculated as 5.5 × 2.2 = 12.1.
The exponent is calculated as 4 + (-8) = -4.
Therefore, the answer is 1.21 × 10^(-4).
The correct option is D. 1.21 x 10^-4.