The number 123,000 written in scientific notation is: A) 1.23 *10⁶ B) 1.23 * 10⁵ C) 1.23 * 10^-³ D) 1.23 *10^-⁶ E) 1.23 *10³

Question

Quizplus · Accepted Answer

Scientific notation is written in the form of a × 10ⁿ, where 1.23 can be written as 1.23 × 10⁵. Since there are five zeros in 123,000, the exponent n is ⁵. Therefore, in scientific notation, 123,000 is written as 1.23 × 10⁵, which corresponds to answer choice B.

The Number 123,000 Written in Scientific Notation Is