Why is scientific notation used?

to round numbers to the nearest whole number.

to promote reproducibility of data.

to increase the validity of data.

to express very large or very small numbers.

A bag contains 5 red marbles and 10 blue marbles. What is the probability of randomly selecting a red marble from the bag?

Solve for w. 6/9 = w/12 Simplify your answer as much as possible.

Simplify the expression below. (2n/8n+4) (3n+2/3n-2) what is the numerator of the simplified expression

4) At a restaurant the bill came to $87.00. If you leave $109.62, what percent tip is that?

A box is 12 centimeters wide, 12 centimeters long, and 15 centimeters tall. What is the total surface area of 4 such boxes?

Do 8:14 and 20:35 form a proportion

You make a large bowl of salad to share with your friends. Your brother eats 1/3 of it before they come over. a. You want to divide the leftover salad evenly among 6 friends. What expression describes the situation? b.

How many times does 7 go into 48

She has 4 pink bracelets. One third of all her bracelets are pink. How many bracelets does she have?

Write an equation of the circle with center (-4.8) and radius 9