Write the following number in scientific notation. 649
A) $0.649 \cdot 10 ^ { 4 }$
B) $6.49 \cdot 10 ^ { 2 }$
C) $64.9 \cdot 10 ^ { 2 }$

Question

Quizplus · Accepted Answer

To write the number in scientific notation, we move the decimal point to the left until we have a number between 1 and 10, and count the number of times we moved the decimal point. In this case, we get 6.49 by moving the decimal point 2 times to the left, so the scientific notation is 6.49 x 10^2.

Write the Following Number in Scientific Notation 0.649⋅1040.649 \cdot 10 ^ { 4 }0.649⋅104

Write the Following Number in Scientific Notation $0.649 \cdot 10 ^ { 4 }$