Question

0.0000003105 in scientific notation

Answer 1

Answer:

$3.015*10^{-7}$.

Step-by-step explanation:

Given  : 0.0000003105 .

To find : Write in scientific notation.

Solution : We have given 0.0000003105.

Steps to write in scientific notation :

Step 1 : If a number has n digit we move decimal point ( n-1) place to left

 and to balance , multiply by $10^{n-1}$  .

We can write 0.0000003105 as $\frac{3105}{10000000000}$.

Or $\frac{3105}{10^{10}}$.

$\frac{3.015*10^{3}}{10^{10} }$.

$\frac{3.015}{10^{7} }$.

$3.015*10^{-7}$.

Therefore, $3.015*10^{-7}$.

Answer 2

3.105 x 10 ^-6 because you are moving the decimal point back the exponent becomes negative