The half-life of radium-226 is 1590 years. If a sample contains 400 mg how many mg will remain after 4000 years?

The capulet and montague families love writing. last year, each capulet wrote 444 essays, each montague wrote 666 essays, and both families wrote 100100100 essays in total. this year, each capulet wrote 888 essays, each montague wrote 121212 essays, and both families wrote 200200200 essays in total. how many capulets and montagues are there? choose 1

If a baby uses 15 diapers in 2 days how many diapers will the baby use in a year

You wanted to draw an enlargement of design that printed on a card that is 4 in by 5