Question 175191
370,000,000,000 = 3.7*10^10^11

27) 0.00000103 = 1.03*10^(-6)

CONVERT to Standard Notation 

28) 7.5 x 10^7 = 75,000,000
SIMPLIFY 

29) 18*10^2/ 9*10-3 = (18/9)*10^(2+3)=2*10^5

I hope that this helps