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Q: Can you have more than one exponent on top of a number?

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If a number (other than 0) has 0 as an exponent, it equals 1! It may be hard to believe but it is true, no matter what number. If a number has no exponent, there is basically an invisible 1 as the exponent, so the number would be equal to itself. Zero with the exponent zero is meaningless.

It means that it is an exponent, and that it is not a rational number - i.e., one that can be written as a fraction of two integers.

principle square root

One way to view the exponent, especially when it is a natural number, is how many times something need to be multiplied by itself. So 4^5 has exponent 5 and base 4 and it means 4 multiplied by itself 5 times, ie 4x4x4x4x4 We can then extent this to negative integers and to an exponent of zero and then to rational exponents. More on that if you want to know.

Anything to the power of a negative number is equal to one divided that "anything" raised to the positive value of the exponent. For example:a-b = 1/ abSo you can think of this by expressing the number as a fraction. Consider, what is 0.1 as a fraction? The answer is 1/10. This means that when expressed as an exponent, it would be 10-1.

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24: the number of digits is always one more than the exponent of 10 if the exponent is positive.

Yes. 1 can have any exponent, and will always be equal to 1. And -1 can have any odd exponent, and will always be equal to -1.

no exponent can make a number equal to zero, however any number with an exponent of zero is one.

If a number (other than 0) has 0 as an exponent, it equals 1! It may be hard to believe but it is true, no matter what number. If a number has no exponent, there is basically an invisible 1 as the exponent, so the number would be equal to itself. Zero with the exponent zero is meaningless.

The exponent tells you how many spaces to move the decimal, remember to add zeros as needed. If the exponent is negative make it a decimal number less than one by moving the decimal to the left. If the exponent is positive make the decimal number greater than one by moving the decimal to the right.

It means that it is an exponent, and that it is not a rational number - i.e., one that can be written as a fraction of two integers.

Not sure what you're asking. Any number can be an exponent, like 1013, where 13 would be the exponent in this case. If you were given the number 13, and asked what the exponent was, the answer would be one (1), since any number to the 1 power equals that number, so 131 = 13, if no exponent is given then it is assumed to be one (1).

Sure. It may not be very useful to use 1 but any number is eligible to be an exponent.

Move the decimal until there is one nonzero digit to the left of the decimal counting the spaces that you move the decimal. That number of spaces becomes the exponent of 10. The exponent is positive if the original number was greater than 10, but is negative if the original number is less than one.

That indicates a decimal; a number less than one.

No. Even a number with an exponent of zero equals one. There is no way an exponent on a number will make it zero.

Count the number of spaces to move the decimal until the number has one (non-zero) digit to the left of the decimal. If the original number is larger than 1, then the exponent is positive, if smaller than 1 the exponent is negative. The exponent is that number of spaces that the decimal was moved. EX: 5100 = 5.1 x 102 and 0.00064 = 6.4 x 10-4

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