3 over 27
2x 2x to the second
1/2r
I think it's 0.3125.
learn how to spell. learn how to spell.
3 over 27
Assuming the first fraction is eight over nine and not eight over ninth, 8/9 + 5/6 = 16/18 + 15/18 = 31/18 = 113/18
2x 2x to the second
1.335 x 109 / 500
1 divided by 25 multiplied by z to the third power
1/2r
-1331.
27.22
15
1 to the -1st power over -215
5^(5) / 5^(4) = 5^(5-4) = 5^(1) = 5 or 5^(5) /5^(4)= 5x5x5x5x5 / 5x5x5x5 Cancel down by '5' ( top and bottom) and we are left with 5/1 = 5 as before. NB We do normally show number to the power/exponent of '1' except to aid in exponential calculations.
I think it's 0.3125.