Question

A scientist uses 2.8*10^12 cells in one experiment, which is 2,000 times the number of cells she uses in a second experiment. Write the number of cells the scientist used in her second experiment in scientific notation. Explain your answer.

Answer 1

2.8*10^12 cells/ 2000= 1.4*10^9 cells.

The number of cells the scientist uses in the second experiment is 1.4*10^9 cells.

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