Why do we use scientific notation, and what are the parts of an expression written in scientific notation?

Sally has a savings account. She deposited $200 into her savings account last year and has been taking out $10 monthly to go to the movies. Sally now was $80 in her account. How many months has she been withdrawing money?

A monkey climbs 3 3/5 feet up a coconut tree that has a height of 10 feet. It rest for a while and continues to climb another 4 2/3 feet up the tree. How many more feet must the monkey climb to reach the top of the tree?

Your mother gave you $13.32 with which to buy s present. This covered 3/5 of the cost. How much did the present cost?

How much more than 75 is 462

Kelly needs to order lunch for 6 people at a business meeting. Her menu choices are chicken salad for a cost of $5 per person and egg salad for a cost of $4 per person. She only has $28 to spend. More people want chicken salad.

Ben played at a friends house for 2 hours 35 minutes. Later he played at a park he played for a total of 3 hours and 52 minutes how long did he play at the park?

Identify the 33rd term of the arithmetic sequence 9, 7 1/2, 6.

How is the quotient 80000 divided by 2000 different from the quotient 80000divided by 200 or 80000 divides by 20

Which of the following numerical expressions may represent the probability of a simple event? A. 1/2*1/6 B. 1/25*1/2 C. 1/52 D. 1/52+1/2

What is the vertex for the following quadratic? f (x) = 2 (x - 4) ^2 - 8