Answer:
B
Step-by-step explanation:
find the the surface area of one corner
Answer:
The answer is B
Step-by-step explanation:
No.
The ratio of the areas is the ratio of the squares of the scale factor.
So it's 2^2 : 5^2 = 4:25
Answer:
Rs. 32767
Step-by-step explanation:
Because the amount is doubling every day, we can use the expression 1*2^15-1 because there is 1 to start with. Also cool trick! if you need to do 2^1+2^2+2^3+....+2^x, it will be equal to 2^(x+1)-1. So:
2^15-1
32768-1
32767
Change in value = 87 - 42 = 45
percentage change = 45/42 x 100 = 107%