3/5 + 2/3 - 1/2.
7200 divide 1440 with solution
12÷10,236
dy/dx=(x^2 √(x^3-3))/y^2
2000 x 0.2
320/2-100
round 0.863 to 2 signficant figures
2+2
round 0.863 to 2 signficant figure
round 0.163 to 1 significant figure
