84
34+23 = 89
If you mean: 2^6 plus 4^2 = 80 and in standard form it is 8.0*10^1
984,639
7000000 + 60000 + 4000 + 80 = 7064080 7 000 000 .... 60 000 ...... 4 000 ........... 80 + ----------- 7 064 080
If you're meaning 9.21 x 10-4 than the standard numeral would be 0.000921.
4 plus 80 = 84
In word form, we write eighty-four and 2 tenths.In standard form, we simplify the expression to get 84.2.
80 + 960 + 4 + 1,986 = 3,030
520
3y+2y+4+1=80 5y+5=80 5y=80-5 5y=75 y=15
If you mean: 80 = 3y+2y+4+1 then 80 =5y+5 and so y = 15
If: 7h+4 = -80 then h = -12