A biologist determined that the quantity of bacteria in a petri dish decreases by half every day of the study. If there were 8 g of bacteria at the beginning of the study, how many grams will be left after 3.5 days. Round to the nearest hundredth

A submarine window can w

Explain why it doesn't matter what letter or symbol is used to find an unknown number.

5. In Tyrone's science class he is studying cells. Cell A divides every 30 minutes. If Tyrone starts with two cells, how many cells will he have in 3 hours? A 6 cells B 32 cells C 128 cells D512 cells

How many 6 1/4-inch pieces of fabric can be cut from a 75-inch roll?

scientist needs 10 liters of a 20% acid solution for an experiment, but she has only a 5% solution and a 40% solution.

For the equation 3x = 12 is the answer 36

13/25 convert in to percent

The state fair is a popular field trip destination. This year the senior class at High School A and the senior class at High School B both planned trips there. The senior class at High School A rented and filled 8 vans and 8 buses with 240 students.

What is the answer to this equation 5X + 4 = 49

The table shows the amount of paint left in each jar which jar contains the greatest amount of paint the least