Answer:
20
Step-by-step explanation:
Ok so the answer is

so we multiply numbers that have the same variable

multiply 2 x 2

then multiply the exponents

multipling like this will look like addition.

so in other words you could do it like this too

now add the exponent with 4

now for the last part

because -3 and 3 added together make 0

I hope this help(it looks complicated but it's very easy and I hope I helped you out)
Answer:
11.53 inches
Step-by-step explanation:
Given data
Diagonal = 19 inches
Height= 15.1 inches
Let us apply the Pythagoras theorem
D^2= H^2+W^2
substitute
19^2= 15.1^2+W^2
361=228.01+W^2
361-228.01=W^2
132.99= W^2
W=√132.99
W=11.53 inches
Hence the width is 11.53 inches
Answer:
there is no image
Step-by-step explanation:
Answer:
36
Step-by-step explanation:
We can use combinations
9 choose 2 =
9!/(7!*2!) = (9*8)/2 = 36