To multiply 0.75 by 2.8×10^−5, we multiply their decimal parts and add their exponents.
0.75 * 2.8 = 2.1
10^0 * 10^(-5) = 10^(-5)
Thus, the result is 2.1×10^−5.
So, the answer is A. 2.1×10^−5.
Multiply 0.75 by 2.8×10^−5 (1 point)
A. 2.1×10^−5
B. 2.1×10^−7
C. 2.1×10^−6
D. 2.1×10^−4
5 answers
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