30 squared

30² = 30 × 30 = 900

To square a number, multiply it by itself. 30 squared is written 30² or 30^2, and the answer is 900.

How to work out 30 squared

Direct: 30 × 30 = 900.
From the previous square: 29² = 841, and 30² = 841 + (2 × 30 − 1) = 841 + 59 = 900.

Related

30 cubed = 27,000
The square root of 900 is 30, so 900 is a perfect square.

Squares near 30

Number	Squared
26	676
27	729
28	784
29	841
31	961
32	1,024
33	1,089
34	1,156

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