To do 130% increase you multiply by 1.3 so you do 810 × 1.3 = 1053
The square root of 80 can be broken up into the square root of 16 x square root of 5. We know that the square root of 16 is 4. So in the form (a sqrt b)
A would be 4 and b would be 5.
Answer: 4 sqrt 5
The other 6 books can be arranged in 6 ways
= 6*5*4*3*2*1 = 720 ways answer
Answer: just add another zero 640000
Step-by-step explanation:
