I WILL GIVE BRAINLIEST IF YOUR ANSWER IS CORRECT WITH EXPLANATION (it can be a short explanation too)
A kilobyte is 2^10 bytes and a megabyte is 2^20 bytes. How many kilobytes are in a megabyte?
a. 2^200 kilobytes
b. 2^30 kilobytes
c. 2^10 kilobytes
d. 2 kilobytes

Ill mark the brainliest if you me with the these three questions 7,8,9

Find the values of y: 3y^3(y^2+ 2/3y)=0

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.