Kendra finds the dimensions of a sticky note. She uses a meter stick to determine that the dimensions are 1.25×10^−8 meters wide by 2.5×10^−6 meters long. Use scientific notation to write the dimensions in millimeters.

Question

Note: 1 meter is equal to 1,000 millimeters.

(1 point)
Responses

1.25×10^−6 by 2.5×10^−4 millimeters

1.25×10^t−5 by 2.5×10^−3 millimeters

1.25×10^−11 by 2.5×10^−9 millimeters

1.25×10^−10 by 2.5×10^−8 millimeters

Answer 1

To convert from meters to millimeters, we multiply by 1,000.

The width of the sticky note is 1.25 x 10^(-8) meters. When we multiply by 1,000, we get 1.25 x 10^(-8) x 1,000 = 1.25 x 10^(-8) x 10^3 = 1.25 x 10^(-5) millimeters.

The length of the sticky note is 2.5 x 10^(-6) meters. When we multiply by 1,000, we get 2.5 x 10^(-6) x 1,000 = 2.5 x 10^(-6) x 10^3 = 2.5 x 10^(-3) millimeters.

Therefore, the dimensions of the sticky note in millimeters are 1.25 x 10^(-5) by 2.5 x 10^(-3) millimeters.

The correct answer is 1.25×10^−5 by 2.5×10^−3 millimeters.