84 squared

84² = 84 × 84 = 7,056

To square a number, multiply it by itself. 84 squared is written 84² or 84^2, and the answer is 7,056.

How to work out 84 squared

Direct: 84 × 84 = 7,056.
From the previous square: 83² = 6,889, and 84² = 6,889 + (2 × 84 − 1) = 6,889 + 167 = 7,056.
Split the number: 84 = 80 + 4, so 84² = 80² + 2 × 80 × 4 + 4² = 6,400 + 640 + 16 = 7,056.

Related

84 cubed = 592,704
The square root of 7,056 is 84, so 7,056 is a perfect square.

Squares near 84

Number	Squared
80	6,400
81	6,561
82	6,724
83	6,889
85	7,225
86	7,396
87	7,569
88	7,744

Need another number? Use the exponent calculator or see all squares and cubes.