A rare isotope of a nuclear material is very unstable, decaying at a rate of 14% each second. Find how much isotope remains 13 seconds after 7 grams of the isotope is created. The mass of the remaining isotope is approximately _ g

A rectangle 's length times it with is 18 square inches. What are the possible whole number lengths and widths of the rectangle?

Adding fractions with uncommon denominators

Manny and Emma are both competing in a long jump competition at their school. Manny can jump three fifths of the distance that Emma can jump. Manny can jump 21 inches. How far can Emma jump? a. 21.6 inches b. 20.4 inches c. 35 inches d. 12.6 inches

Write 1,390,000,000 in scientific notation?

Ohn Jay is a major league pitcher. He pitches like a robot, that is he pitches the same way to each batter. There is a. 56 probability that the first ball he pitches to a batter is a strike. (first-pitch strike).

Korey is planning to open a comic book store. His store will cost $12,500 to open and will come with a $8,000 total annual operational cost.

What is 0.555 as a fraction

What is 43 3/4 %as a decimal

Me. jarrett was selling pizza slices at the snack bar. He sells 3 slices of pizza for $5.25. What is the constant of proportionality of dollars per slice of pizza?

The square pyramid below has a height of 12 CM and a slant height of 20 cm the square base of the pyramid has side lengths of 32 CM what is the lateral area of the pyramid