Aspinner numbered 1 through 10 is spun 3 times.
what is the probability of spinning a 5, then an even number, and then another even number?
write your answer as a decimal. do not round.

Use the radius you found in part i (r=26.8 cm) with the surface area formula below to find the surface area of the sphere. show your work and round your answer to the nearest tenth. the surface area of a sphere: sa = 4πr^2 self note: 3.8.4

Prove that the sum of two consecutive exponents of the number 5 is divisible by 30.if two consecutive exponents are 5n and 5n + 1, then their sum can be written as 30.

Which of the following answers is 7/9 simplified? 7/9 2/9 11/9 2/7