Nate and fem pls help ( 7.542x10^-19)

pls not flag or comment if ur not them

How many different ways can you make change for $.50 using only nickels,dimes, and quarters?

In the sixth grade 13 out of 20 students have a dog if there are 152 sixth grade students how many of them have a dog

The volume of the sun is approximately 1 × 10^18 cu km, while the volume of jupiter is approximately 1 × 10^15 cu km. which of the following is true? a. the volume of jupiter is approximately one thousand times the volume of the sun. b. the volume of jupiter is approximately one hundred times the volume of the sun. c. the volume of the sun is approximately one thousand times the volume of jupiter. d. the volume of the sun is approximately one hundred times the volume of jupiter.