Question

31 billion in scientific notation

Answer 1

3.1X10^10

this needs to be 20 characters or more

Answer 2

Solution:

Scientific notation of 31 billion is $3.1\times 10^{10}$

Explanation:

We have been given the number 31 billion and we have to write it in scientific notation.

Any number in the scientific notation is in the form $k\times 10^n$

where k lies between 0 to 10 and n is any integer.

Now, 31 million is equal to 31,000,000,000

Now, we have to write this number in above mentioned scientific notation.

value of k is 3.1

and the value of n should be 10

Therefore, the scientific notation for the given number is

$3.1\times 10^{10}$