02-17-2011, 06:55 PM
Perform the math in the order what I call PEMA:
1) P = whatever's in the parenthesis first
2) E = exponents
3) M = math or division
4) A = addition or subtraction
1) P = whatever's in the parenthesis first
2) E = exponents
3) M = math or division
4) A = addition or subtraction