Answer:
Didn't post the picture
Step-by-step explanation:
Answer:
80 seconds
Step-by-step explanation:
10/10 = 1
now it takes 1 seconds to count 1 sheet
80 x 1 = 80 seconds to count 80 sheets
Answer:
25i
Step-by-step explanation:
Your calculator or your knowledge of powers of 5 will tell you that √625 is 25. The minus sign makes the root imaginary.
A perfect cube is a number that is the cube of an integer. For example, 125 is a perfect cube since 125 = 5 × 5 × 5= . Some examples of perfect cubes are 1, 8, 27, 64, 125, 216, 343, ..
16 does not have a perfect cube, but does have a perfect square 4×4=16