Element X decays radioactively with a half life of 14 minutes. If there are 490 grams of Element X, how long, to the nearest tenth of a minute, would it take the element to
decay to 123 grams?
y= a(.5)

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?

Write the equation in logarithmic form m^x=n

Glenda makes an online purchase for picture frames for $12.95 each and formats of $5.89 each the site says it taxes paid by the customer or 6.5% of the total purchase price shipping charges are based on the