An expression using a base and exponent takes the form ( a^n ), where ( a ) is the base and ( n ) is the exponent. The base represents a number that is multiplied by itself, while the exponent indicates how many times the base is used in the multiplication. For example, in the expression ( 2^3 ), 2 is the base and 3 is the exponent, meaning ( 2 \times 2 \times 2 = 8 ).
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103 x
Power
An exponent.
No.
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negative 8 would be the base and the 15 would be the exponent
Power
103 x
5de
Most likely it is a logarithm.
In the expression 45 the 4 is the base and the 5 is the exponent.
Then, if the exponent is a positive integer, the value is 1 multiplied by the base repeatedly, exponent times. If the exponent is a negative integer then it is the reciprocal of the above value.In either case, it is NOT the base multiplied by itself an exponent number of times.
An exponent.
7n^5
You can but it has no particular significance.