An isotope of the element seaborgium has a half-life of 30 seconds. How much would there be left after one minute if we started with 4 pounds?

What kinds of numbers make up the set of numbers called the real numbers? give examples when you explain a number type. there are a limited set of types of numbers, but an unlimited number of examples of these numbers.

Ab based on the given diagram, if m_1 = 60° then m 2 = 30 60 90 180

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers