# math

Which expression is equivalent to 0.000000034
A 3.4 x 10^ -7
B 3.4 x 10^8
C 3.4 x 10^ -8
D 3.4 x 10^7

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1. The decimal has moved so that it lies between 3 and 4, that is 3.4
count the number of places it has moved and remember that a scientific number with a positive exponent on 10 is "large" and one with a negative exponent on 10 is "small"

Let me know what conclusion you reach.

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