Well, honey, to write 7x7x7x7 in standard form, you just gotta multiply those 7's together. 7x7 is 49, and 49x7 is 343, and finally, 343x7 is 2401. So, in standard form, 7x7x7x7 is simply 2401. Hope that clears things up for ya!
16 + 49 = 65
.49
It is already in its simplest form as 49/72
It is 49.
49/2
forty nine
It is 49, which is an integer and so has no simpler form.
72 = 7*7 = 49
1.00 and 49.00
0.49 or 49/100
49/200