Numbers expressed using exponents are called powers.
When writing a number expressed as an exponent, the number is called the base. For example, in 23 two is the base.
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All numbers can be expressed using exponents.
54 2* 27 3* 9 3* 3* the prime factorization numbers of 54 are 2 and 33
13x13x13
When you add numbers in scientific notation, it is best to convert them to their original decimal form, or at least change them so that they have the same exponent. Then when you are finished adding, simply put the solution is proper scientific notation.
27 can be written as 2.70 × 101