Answer:

Write 1.23 x 10^–4 in standard notation.

10^-1 = .1

10^-2 = .01

10^-3 = .001

10^-4 = .0001

etc.

1.23%2A10%5E-4+=+123%2A10%5E-2%2A10%5E-4

123%2A10%5E-6

Start at the right and count off 6 decimal places

.000123 answer

Answer by Edwin McCravy(18987) (Show Source): You can put this solution on YOUR website!

Write 1.23 x 10–4 in standard notation

Rule:

1. If the exponent of 10 is positive, move the decimal to the RIGHT

that number of places and remove the ×10exponent

2. If the exponent of 10 is negative, move the decimal to the LEFT

the absolute value of that number of places and remove the

×10exponent

In 1.23 x 10–4, the exponent is negative, so we take the

absolute value of -4, which is 4, and move the decimal of 1.23 four

places to the left. To do that we need to put three 0s in front,

so the answer is

.000123