Write 6.13 x 10-6 in standard notation

Zack had 2/3 of the lawn left to cut. After lunch, he cut 3/4 ig the grass he had left. How much of the whole lawn did zack cut after lunch

What is the least common multiple of 20,45,80

What is the anser to 37.4-8.55

It is less than 60 and greater than 55. If you add the digits, the sum is 13 write the number. How do you get the answer

Tina practice piano for 15 hours last month and 45 hours this month. Use addition to write a statement comparing the hours Tina practice during the two months

I have two bags of marbles. The first bag contains 6 red marbles, 5 blue marbles, and 4 green marbles. The second bag contains 3 red marbles, 2 blue marble, and 4 green marbles. I will randomly select one marble from each bag.

Terrance is loading two different size boxes onto an elevator, which has a wieght limit. The small boxes weigh 5 kg each and the large boxes weigh 8 kg each.

What is the answer to the question 5x+2x

Kamal has big feet. Kamal's mom says she wouldn't be surprised if he grew to be 7 feet tall! Kamal's new shoes came in a box that measures 16 inches by 9 inches by 6 inches. What is the volume of the shoebox?

Five times the sum of the digits of a two-digit number is 13 less than the original number. If you reverse the digits in the two-digit number, four times the sum of its two digits is 21 less than the reversed two-digit number.