Answer:
22. 10^10
8 Billion has 9 zeros and 10 to the power 10 means there is a total of 10 zeros. So 10 zeros is more closer to 9 zeros than that of 11 zeros.
23.Exponential form is when a certain number is raised to the power of a certain number or also known as exponents. Exponents signifies that the base or the number that is being raised to a certain powers will be multiplied a number of times, based on the exponents.
Exponential form is defined as repeated multiplication of the base.
