Question

What is 17,210,000,000 written in scientific notation?

Answer 1

Your answer is 1.721 x $10^{10}$

Answer 2

Scientific notation of number 17,210,000,000 is $1.721 \cdot 10^{10}$

Explanation :

Given number is 17,210,000,000  

To write it in scientific notation , we have to put a decimal after the first number

All whole numbers have decimal point at the end.

Now we move the decimal point 10 places to the left

17,210,000,000.  becomes 1.7210000000

Remove all the extra zeros at the end

1.721

We moved decimal point 10 places to the left. so we multiply by $10^{10}$

Scientific notation of number 17,210,000,000 is $1.721 \cdot 10^{10}$

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