4^5 (the caret means raised to the power of)
4 X 4 X 4 x 4 X 4 = 4^5 So the exponent is 5.
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You multiply the base number by itself as many times as the exponent tells you. Example 4^4 =4•4•4•4= 256
x2y4z6-121 Use the difference of two squares to factorise:- (xy2z3-11)(xy2z3+11)
The expression 4x4x4x4x4 can be written in index notation as 4^5, where the base is 4 and the exponent is 5. When you raise a number to an exponent, it means multiplying the base by itself the number of times indicated by the exponent. Therefore, 4^5 is equal to 1024.
4 is the base, 2 is the exponent.
An exponent is 1; 16 = 16^1