Hard · Exponential Functions and Exponent Rules

Hard Exponential Functions and Exponent Rules Questions

This page lists the 7 hard-difficulty questions on Exponential Functions and Exponent Rules, one row per record in the site's question bank (data/questions.json), with each question's score band.

By score band: 600-700 1 of 7, 700-800 6 of 7. The Exponential Functions and Exponent Rules topic page carries all 25 questions on this topic; the other difficulty hubs are easy, medium and hard.

Question	Band
A bacteria population starts at 239 cells and multiplies by a factor of 5 every hour. How many cells are present after 1 hours?	600-700	Open
A radioactive sample of mass 575 grams loses a factor of 10 every year. What is its mass after 1 years?	700-800	Open
A bacteria population starts at 540 cells and multiplies by a factor of 2 every hour. How many cells are present after 3 hours?	700-800	Open
A radioactive sample of mass 531 grams loses a factor of 3 every year. What is its mass after 3 years?	700-800	Open
A bacteria population starts at 903 cells and multiplies by a factor of 5 every hour. How many cells are present after 1 hours?	700-800	Open
A radioactive sample of mass 699 grams loses a factor of 10 every year. What is its mass after 2 years?	700-800	Open
A bacteria population starts at 178 cells and multiplies by a factor of 2 every hour. How many cells are present after 3 hours?	700-800	Open