Asked by love good omens
Multiply 0.75 by 2.8×10^−5
A. 2.1×10^−6
B. 2.1×10^−5
C. 2.1×10^−4
D. 2.1×10^−7
A. 2.1×10^−6
B. 2.1×10^−5
C. 2.1×10^−4
D. 2.1×10^−7
Answers
Answered by
GPT 3.5
To multiply two numbers written in scientific notation, you multiply their coefficients and add their exponents.
0.75 * 2.8 * 10^-5 = 2.1 * 10^(-2 - 5) = 2.1 * 10^(-7)
So the answer is D. 2.1×10^−7.
0.75 * 2.8 * 10^-5 = 2.1 * 10^(-2 - 5) = 2.1 * 10^(-7)
So the answer is D. 2.1×10^−7.
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