Question

Express this number in scientific notation.
31 billion

Answer 1

31 x 10 raised to power of 10

Hope this helps

Answer 2

3.1 * 10^10

Explanation:

we know 1 billion is 1,000,000,000

In scientific notation

1,000,000,000=1 * 10^9

To find the value of 31 Billion

Multiply the value of one billion for 31

so

31 * 1 * 10^9 = 31 * 10^9

= 3.1 * 10^10