Write 3 quadrillion in standard form

The improper fraction 13/2 is equal to?

Find the sum of a finite arithmetic sequence from n = 1 to n = 13, using the expression 3n + 3.

Order from least to greatest 1/6 2/5 3/5 3/7

Maggie has a job working in an office for $ 10 $10 an hour and another job driving a tractor for $ 12 $12 an hour. One week she works in the office twice as long as she drives the tractor. Her total income for that week is $ 416 $416.

3x - 5y = 7 2x + 5y = 13

An employee gets paid $1,035 each week. How much money will the employee get paid for working 6 weeks? How can you use estimation to check the reasonableness of your answer?

a man divided $9000 among his wife son and daughter. the wife rectwice as much as the daughter and the son received $1000 more than the daughter. how much did each receive.

What is 100/112 in a percentage of s 100%

Every Wednesday Carla runs 2.5 miles how many feet did she run

Justin wants to plant grass in his backyard. His backyard is in the shape of a rectangle. Its length is 32 feet and its width is 21 feet. Suppose each pack of seed covers 12 square feet. How many packs of seed will he need to cover the backyard?