Answer:
40
Step-by-step explanation:
If you look at the ratios you can see the pattern of the first number being multiplied by 4 everytime. Therefore you must multiply 10 by 4.
180
192-12=180
Answer: 3.1 or 3.10
3 and 10 hundredths = 3 + 10/100 = 3 + 0.10
3.10 / 3.1
x = 10
Error is in between the second and third step
the exponents must be subtracted