Solve. Express the result in scientific notation. Round to the nearest hundredth, if necessary.The mass of a neutron is approximately 9.11 × 10-28 grams. Find the mass of 462,000,000 neutrons.
A. 4.21 × 10-18 grams
B. 4.21 × 10-17 grams
C. 4.21 × 10-19 grams
D. 4.21 × 10-20 grams
Answer: C
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x
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