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Posted: **Tue May 10, 2022 10:11 am**

: A Scientist Begins With A Sample Of 170 Gcams Of A Certain Radioisotope After 19 Days The Sample Has Decayed To 50 Gra 1 (12.98 KiB) Viewed 22 times

A scientist begins with a sample of 170 gçams of a certain radioisotope. After 19 days, the sample has decayed to 50 grams. How long after the beginning of the process will it take to decay to 20 grams? Give your answer in days, rounded to two decimal places. Answer: days.