Answer 4
Step-by-step explanation:
Top right 1
Top left 2
Bottom left 3
bottom right 4
Exponents can make the problem smaller and look less confusing. If you see a problem with 5*5*5*5*5*5*5*5 then you're going to eventually loose count and will have to keep repeating. But if you put 5 to the 8th power then you know right away just to multiply 5, (8) times,
The number is 4. 15-6=8 divide that by 2 and you are left with 4
70℅ = 14
100 = X
70X = 1400
X = 1400/70
X = 20
20 Euros is the full price