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anonymous
 one year ago
How do you write the number 4.2 × 101 in standard form? help please
0.0042
0.42
420
4.2
anonymous
 one year ago
How do you write the number 4.2 × 101 in standard form? help please 0.0042 0.42 420 4.2

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texaschic101
 one year ago
Best ResponseYou've already chosen the best response.0look at your 4.2....and being that the exponent is 1....we start at the decimal and move to the left 1 space.....making it 0.42

texaschic101
 one year ago
Best ResponseYou've already chosen the best response.0also, keep in mind, if it is a negative exponent, then the number will be below 1.

texaschic101
 one year ago
Best ResponseYou've already chosen the best response.0understand ? For instance, if it was 4.2 x 10^2......start at 4.2 and move the decimal 2 spaces to the left...making it .042
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