Answer:
1850 * 0.7^3 = 634.55
Step-by-step explanation:
I think question cannot be deleted here because I also tried
1/8
1/4 = 2/8 so 3/8 - 2/8 = 1/8
19
4×4= 16+12= 28
2×3= 6+3= 9
28-9= 19
5 % error
see the solution
