How do I simplify a fraction and then turn it to scientific notation?

Add - 4 + 2/3. A) - 52/3 B) - 42/3 C) - 32/3 D) - 31/3

Joanna has a full-time dog walking business. She walks 7 dogs a day, everyday, and charges $10.10 per dog per day. How much money does Joanna make in one week?

An ore ship is traveling west toward Duluth on Lake Superior at 18 miles per hour. The bearing of Split Rock Lighthouse is 285deg. After 1 hour the bearing of the lighthouse is 340deg.

Simplify 14 (1-23) 2+13

If f (x) = 2x-5x^2 and g (x) = 5x+2 what is f (4) ? A. - 2376 B. - 1584 C.-362 D.-52 E. None

A pool table supply company is making a cardboard box to package new cubes of pool cue chalk. Each cube of chalk is 1 cubic inch. The company considers all the ways to arrange 16 cubes of the chalk.

About 13 out of 20 homes have a personal computer. On a street with 60 homes, how many would you to expect to have a personal computer?

There are 7 red, 8 green, and 6 blue marbles in bag. Kate is going to select one marble at random. What is the probability that she will select a green or blue marble?

And above swimming pool is leaking after 1/2 hour the pool has leak 7/8 gallons of water how many gallons of water per hour is the swimming pool leaking

Express this phrase as a unit rate: 10 1/2 teaspoons in 14 ounces