Four squared is 16. When a number is squared, multiply the number by itself once.
The standard form of 12 squared is 122
11 squared in standard form is... 11 x 11= 121
0.81 squared equals 0.81 x 0.81 The result in standard form is 0.6561
17 squared = 172 = 289
M
1,225
25
It is: 9
400
The standard form is 9 (3 x 3 = 9)
The standard form is 361 (19 x 19 = 361).