When expressed in proper scientific notation the number 286 is A)2.86 X 10¹ B)2.86 X 10² C)2.86 X 10^-2 D)28.6 X 10¹

Question

Quizplus · Accepted Answer

In scientific notation, we represent a number as a decimal between 1 and 10, multiplied by a power of 10. To express 286 in scientific notation, we move the decimal point one place to the left to get 2.86 and multiply by 10^2 to account for the decimal shift. Therefore, the answer is 2.86 x 10^2, which is represented by choice B.

When Expressed in Proper Scientific Notation the Number 286 Is