# Readers ask: How can a number be a power of 10?

## How can you use an exponent to show powers of 10?

In powers of ten notation, large numbers are written using ten to a power, or exponent. The exponent tells you how many times ten is to be multiplied by iteslf to equal the number you wish to write. For example, 100 can be written as 10×10 = 102. 10,000 = 10x10x10x10 = 104.

## How do you change a decimal to a power of 10?

Explanation: To convert a decimal into scientific notation, move the decimal point until you get to the left of the first non-zero integer. The number of places the decimal point moves is the power of the exponent, because each movement represents a “power of 10“.

## What does 10 to the power of 8 mean?

100,000,000. “ten to the eight” billion.

## What is 10 to the power of 12 called?

Positive powers

Name Power Number
hundred million 8 100,000,000
billion (milliard) 9 1,000,000,000
trillion (billion) 12 1,000,000,000,000

## Is 10 to the 9th power a billion?

For negative powers 10−n, write ” 0.” followed by n−1 zeros, and then a 1.

Powers of 10
101=10 101=1
109=1,000,000,000 (one billion) 10-8=0.00000001 (one hundred millionth)
1010=10,000,000,000 (ten billion) 10-9=0.000000001 (one billionth)

## What does 10 to the power of 3 mean?

103 is read as “10 to the third power” or “10 cubed.” It means 101010, or 1,000. 82 is read as “8 to the second power” or “8 squared.” It means 8 • 8, or 64.

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## How do you divide powers?

To divide exponents (or powers) with the same base, subtract the exponents. Division is the opposite of multiplication, so it makes sense that because you add exponents when multiplying numbers with the same base, you subtract the exponents when dividing numbers with the same base.

## What is the 10th power?

A power of 10 is as many number 10s as indicated by the exponent multiplied together. Thus, shown in long form, a power of 10 is the number 1 followed by n zeros, where n is the exponent and is greater than 0; for example, 106 is written 1,000,000.

## Whats does 10 mean?

Number 10 is known as a symbol of the authority of God and his government on the Earth. This number can also symbolize responsibility, law and completeness. Actually, number 10 is considered to be the symbol of obedience and responsibility of people towards the God’s law. They are the symbols of power and strength.

## What is a power of 5?

In arithmetic and algebra, the fifth power of a number n is the result of multiplying five instances of n together: n5 = n × n × n × n × n. Fifth powers are also formed by multiplying a number by its fourth power, or the square of a number by its cube.

## What is 10 to the power of 100 called?

Googol is 10 to the 100th power, which is 10,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000, 000,000,000,000,000,000,000,000,000. Googolplex isn’t just that number but has that many zeros in it.

## What is 10 to the second power mean?

Take exponents, for example, like writing 10 to the 2nd power. What does this mean? The first way to express 10 to the second power is to write two 10s with a multiplication sign in between, like this: 10 x 10. This indicates two factors (ie – second power) of 10 multiplied by itself.