The half-life of the radioactive element unobtanium-59 is 5 seconds. if 176 grams of unobtanium59 are initially present how many grams are present after 5 seconds? 10 seconds? 15 seconds? 20 seconds? 25 seconds?

Write a numerical expression that satisfies all of the following conditions. 1.)the only number used in the expression is 5 2.)at least one exponent other than 1 is used 3.)when the expression is evaluated, the answer is greater than 40 and less than 50

"princess tower" in dubai is considered the world's tallest residential building, towering to 1 0 1 101 floors! t ( n ) t(n) models the number of tenants living on floor n n of the tower. what does the statement t ( 2 0 ) = t ( c ) t(20)=t(c) mean?

Adriveway is 40 yards long about how many meters long is it