Answer:
B. 5¹³
Step-by-step explanation:
(5²)⁴ * 5⁵
With parenthesis you multiply the exponents:
(5²)⁴ becomes 5⁸
Add exponents when multiplying base numbers are the same:
5⁸ * 5⁵ = 5⁽⁸ ⁺ ⁵⁾ = 5¹³
Answer:
BC = 24
Step-by-step explanation:
FD = 36, FE = 15 and CD = 18
By secant theorem.
DE • DF = CD • DB
(36 - 15) • 36 = 18 • DB
DB = 42
BC = DB - CD
BC = 42 - 18
BC = 24
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The perimeter of any figure, is all its sides summed up
now, notice the picture below, using the 30-60-90 rule, that's "x"
now, get the other sides, since you know what "x" is, and sum them up, that's the perimeter
Answer:
See Explanation
Step-by-step explanation:
Given

Required
Determine the number of cans for the wall
The dimension of the wall is not given. So, I will use the following assumed values:


First, calculate the area of the wall



If 
Then 
Cross Multiply:



Make x the subject


400 cans using the assume dimensions.
So, all you need to to is, get the original values and follow the same steps
2 decimal places for regular . 3.14