Mathematics, 18.11.2020 02:20 kingbob101

Which is the best estimate for (6.3 times 10 Superscript negative 2 Baseline) (9.9 times 10 Superscript negative 3 Baseline) written in scientific notation? 6 times 10 Superscript negative 4
60 times 10 Superscript negative 5
6 times 10 Superscript 7
60 times 10 Superscript 6

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Which is the best estimate for (6.3 times 10 Superscript negative 2 Baseline) (9.9 times 10 Superscr...