Answer
The total probability is one:
Total probability of being greater than 25 is 1 because the totals of all values less than 25 is 1.
Remember that an exponent means repeated multiplication.
The exponent of 4 means you have four
's mutiplied together:

And then each exponent of 2 inside means you have two
's multiplied inside each set of parentheses.:

There are 8 b's there when you expand this out.
Answer:
Step-by-step explanation:
(2x+5)(x+3)
2x^2+6x+5x+15
2x^2+11x+15
Take 2.60 and multiply it by .15
2.60
x.15
_____
1300
260
_____
which equals £39.00