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.
Note: 1 meter is equal to 1,000 millimeters.
A. 1.25×10^−5 by 2.5×10^−3 millimeters
B. 1.25×10^−10 by 2.5×10^−8 millimeters
C. 1.25×10^−6 by 2.5×10^−4 millimeters
D. 1.25×10^−11 by 2.5×10^−9 millimeters
To convert the dimensions from meters to millimeters, we need to multiply the numbers by 1,000 (since 1 meter is equal to 1,000 millimeters).
The width of the sticky note is 1.25×10^−8 meters. Multiplying this by 1,000 gives us (1.25×10^−8) * (1,000) = 1.25×10^−5 millimeters.
The length of the sticky note is 2.5×10^−6 meters. Multiplying this by 1,000 gives us (2.5×10^−6) * (1,000) = 2.5×10^−3 millimeters.
Therefore, the dimensions of the sticky note in millimeters are 1.25×10^−5 by 2.5×10^−3.
The correct answer is A. 1.25×10^−5 by 2.5×10^−3 millimeters.