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Scientific Notation

1. Intro to General Chemistry / Scientific Notation / Problem 1

The given circumference of Earth is 40780 km. Express it in standard exponential notation after rounding it to two significant figures.

A

Scientific notation example: 0.41 x 10^5 km.

B

Scientific notation example: 4.7 x 10^4 km.

C

Scientific notation example: 4.1 x 10^4 km.

D

Scientific notation example: 4.0 x 10^4 km.

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