Question
Write 205152591.7 in scientific notation.
Answer
$$ 205152591.7 = 2.051525917\cdot 10^{8} $$
Explanation
Step 1: Move the decimal point from its current position (the black dot) to a position immediately to the right of the first nonzero digit (the red dot).
2.05152591.7
Step 2: We moved the decimal point 8 spaces to the right. Therefore, the exponent on base 10 will be positive 8.Now we know that the:
Mantissa = 2.051525917
Exponent = 8
So, the solution is:
$$205152591.7 = \color{blue}{ 2.051525917} \cdot 10^{ \color{red}{ 8 }}$$This page was created using
Scientific notation Calculator