alexisa alexisa

28-03-2016
Geography

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Does anyone the answer to this problem. Thanks in advance

Does anyone the answer to this problem Thanks in advance class=

Respuesta :

BreStrum BreStrum

28-03-2016

Take the decimal of each choice and move it over the number of the exponent to the right and see which one is your original answer.

(a) 821 x 10^ 0 = 821
(b)8.205 x 10^2 = 820.5
(c)8.205 x 10^3 = 8205.
(d)82 x 10^2 = 8200.

Answer is (b).

Understand?

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