medium · Enhanced ACT math
A scientist observes a bacterium with a length of 4.2 × 10^(-6) meters.
If a microscope enlarges the image to be 10^4 times its actual size, what is the apparent length of the bacterium in meters?
- 4.2 × 10^(-10) meters
- 4.2 × 10^(-24) meters
- 4.2 × 10^(-2) meters
- 0.42 × 10^(-2) meters
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