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At the beginning of an experiment, a scientist has 188 grams of radioactive
goo. After 165 minutes, her sample has decayed to 23.5 grams.

What is the half-life of the goo in minutes?

Find a formula for `G(t)`, the amount of goo remaining at time `t`. `G(t) = `

How many grams of goo will remain after 53 minutes?

What is the half-life of the goo in minutes?

Find a formula for `G(t)`, the amount of goo remaining at time `t`. `G(t) = `

How many grams of goo will remain after 53 minutes?

Box 1: Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)

Enter DNE for Does Not Exist, oo for Infinity

Box 2: Enter your answer as an expression. Example: 3x^2+1, x/5, (a+b)/c

Be sure your variables match those in the question

Box 3: Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)

Enter DNE for Does Not Exist, oo for Infinity