You can write 4 squared by writing a 2 in superscript after the number 4. (42) If you can't use superscript because you're using a computer program that does not allow it writing 4^2 would be an acceptable substitute.
In Microsoft Word you can activate superscript by pressing Ctrl+Shift+Equals
3/4^2
It is: 4 squared = 16 or 2 to the power of 4 = 16
7(squared) or 7(sq)
4(f2 - g) + (f2 + 2g) which can be expanded and simplified to 5f2 - 2g
Assuming the thing is as written and there are no brackets missed out then it is just 4 squared times 3 = 16x3=48.
2/4
2
4 with a small two in the corner
2
She isn't. 4x squared is 4 times (x squared). That is, 4 times (3 squared) = 4 times 9. If you want it to be the square of 4x (which would be the square of 4 times 3, ie, 12), you have to write it as (4x)squared.
3/4^2
8.0715082816 × 10-4
It is: 4 squared = 16 or 2 to the power of 4 = 16
we can write it as "a2"
13 squared x 4 squared is equal to 2,704.
7(squared) or 7(sq)
4