4*n2 = 16
Divide both sides by 4: n2 = 4
Take square roots: n = -2 or n = 2
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a square root is a number that when multiplied by itself gives a particular answer. 4x?=16 4x "the square root of 16"=16..we choose 16 because its square is 4 and when multiplied by itself gives us the final answer 16.
You need to work backwards from the answer of 16. Dividing 16 by 4 gives you 4. The square root of 4 is 2. Your number is 2. Check your answer - 2 squared is 4. 4 times this 4 is 16. It can also be -2 (minus or negative 2) because when you multiply (or square) two negative numbers, the answer becomes a positive number.
because 4 times 4 is 16
A number squared is a number times itself.If you must know, it's 16.
a square number is a number times itself. Ex. 4 x4 = 16 16 is a square number.