How can I learn to do standard notation and scientific notation?

There are five different colors of lollipops in a jar: 4 orange, 3 green, 4 red, 2 yellow, and 2 purple. Roberta draws out one lollipop, replaces it, and then draws out a second lollipop.

Mr jones is losing 20 percent of his hair each year if he currently has 1546 hairs on about how many hair will he have left after 10 years

What is the answer to 4x<12

What 2 decimals do you do you have to subtract to get 0.4

If 3 horses eat a total of 7/8 of a bale of hay per day, how much hay will be needed for the horses in 10 days? (I will give brainliest)

Which of the following has a solution set of x? (x + 1 < - 1) ∩ (x + 1 < 1) (x + 1 ≤ 1) ∩ (x + 1 ≥ 1) (x + 1 1)

Jemma keeps a log of the books read during a summer reading program. She creates the line plot. Each dot represents the number of books read in one week. How can you determine how many weeks long the summer reading program was?

A glacier is a giant mass of rocks and ice that flows downhill like a river. a certain glacier moves at a rate of 22 inches a day. Find the distance in feet the glacier moves in a year. (assume 365 days a year)

Evaluate 1/3 divided by 1/3

Is it possible to have an expression that uses brackets without using any parentheses?