Place the base and exponent in the power calculator to get the right answer for value of 21^2, 212 (21 power 2), or 2 raised to the power of 21.
This is how you can solve (21) 2 manually.
Solution:
Step 1: Simplify the data.
Step 2: Multiply the 21 to itself 2 times.
Using this exponents calculator could be much easier to figure out an exponential expression.