Add or subtract numbers in scientific notation

In a fruit cocktail, for every 15ml of orange juice you need 25 ml of apple juice and 10ml of coconut milk. What proportion of the cocktail is orange juice in its simplest form

Ryan has a board that is 5 feet long. how many 1/3-foot sections can he cut from this board?

4 balls of wool will make 8 knitted caps. How many balls of wool will Malcolm need if he wants to make 6 caps?

A bowl contains eight pennies, seven nickles and ten dimes. Elyse removes one coin at random from the bowl and does not replace it. she then removes a second coin at random. what is the probability that both will be nickels?

Mrs. Bowman designed the rug shown. If it costs 22$ per square footage to make, how much will Mrs. Bowman pay for the rug?

For the particular problem raised in the introduction, assume that the total bill is $44. to answer the question "how should the bill be split?" we will create a linear equation.

An item is regularly priced $75. Ali bought it at a discount of 60% off the regular price. How much did Ali pay?

Sheila is graphing to the rule y=3x. Which of the following best describes the rule?

Is the GCF of two even numbers 2

R1 = (a, b.∈ r2, the "greater than" relation, r2 = a ≥ b, the "greater than or equal to" relation, r3 = (a, b.∈ r2, the "less than" relation, r4 = a ≤ b, the "less than or equal to" relation, r5 = a = b, the "equal to" relation, r6 = (a, b.