a square number:
12 = 122 = 432 = 942 = 1652 = 2562 = 3672 = 4982 = 6492 = 81102 = 100
112 = 121122 = 144132 = 169142 = 196152 = 225162 = 256172 = 289182 = 324192 = 361202 = 400
212 = 441222 = 484232 = 529242 = 576252 = 625262 = 676272 = 729282 = 784292 = 841302 = 900
312 = 961322 = 1024332 = 1089342 = 1156352 = 1225362 = 1296372 = 1369382 = 1444392 = 1521402 = 1600
412 = 1681422 = 1764432 = 1849442 = 1936452 = 2025462 = 2116472 = 2209482 = 2304492 = 2401502 = 2500
Type in the number that you want to square root, then hit the √ button.
Irrational
To do square root in excel you type SQRT and then whatever number you want to square root in brackets. For instance, if you want the square root of 13 in one cell, you would type =SQRT(13).
Press 2ND and then the square root sign (above x2). Then type the number you want to find the square root of. Press ENTER to see the answer.
It is an irrational number, which means it is also a real number.
The square root of 40 is an irrational number
The square root of 16 is ±4 which is the rational number ±(4/1)
Type in the number that you want to square root, then hit the √ button.
It is an irrational number
It is an imaginary number
It is an irrational number.
Irrational
irrational
A square number, because its square root is paired with itself.
To do square root in excel you type SQRT and then whatever number you want to square root in brackets. For instance, if you want the square root of 13 in one cell, you would type =SQRT(13).
Irrational.
A composite even number which is 10