a^u
The expression “a^u” denotes taking the power of a number “a” with an exponent “u”
The expression “a^u” denotes taking the power of a number “a” with an exponent “u”. In other words, it means raising “a” to the power of “u”.
To evaluate this expression, you need to know the value of “a” and “u”. Let’s say “a” is a real number and “u” is a positive integer.
To calculate “a^u”, you will multiply “a” by itself “u” number of times.
For example, if “a” is 2 and “u” is 3, then “a^u” is:
a^u = 2^3 = 2 × 2 × 2 = 8.
Similarly, if “a” is 5 and “u” is 4, then “a^u” is:
a^u = 5^4 = 5 × 5 × 5 × 5 = 625.
In general, “a^u” can also be represented using exponents as “a^u = a^(u-1) × a”.
It’s important to note that if “u” is 0, then “a^u” equals 1. This is because any number raised to the power of 0 is always equal to 1.
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