A dinosaur fossil is 91,910,000 years old. how can you express this age in scientific notation with the highest level of precision?

a. 9x10^7

b. 9.2x10^7

c. 9.191x10^7

d. 9.19x10^7

Each morning there is a probability of 3/4 that Julie will catch her bus. Over 2 consecutive days, the probability that she will catch her bus on one of these days but not on the other is

Sales of $10,000 increase by 65% each year. Whats the y

At a party 53 people arrived. Then 100 people came later on. What is the percent of change.

Can you divide 81 into 4 parts so that if you add 2 to the 1st part, subtract 2 from the 2nd part, multiply the 3rd part by 2, and divide the 4th part by 2, the answer in each case will be the same

An item is priced at $14.52. If the sales tax is 4%, what does the item cost including sales tax?

How many halves are in four and eight tenths

Jennifer's mother buys her 2 new storybooks every 4 months. In how many months will Jennifer have a collection of 12 books

Michelle records the value of one euro in U. S dollars each day for her social studies project.

What is greater than 4.74 and less than 4.75

What is the inverse of x-2