Mathematics, 24.09.2020 21:01, nesharhodes23p965te

What number should be the exponent on the 10 so that the two numbers are equivalent? 2.3 × 10y = 0.0023

Please someone help me on this
1. y= -4
2.y=3
3. y=-3
4.y=4

Answers: 1

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What number should be the exponent on the 10 so that the two numbers are equivalent? 2.3 × 10y = 0....