Can the square root of 25 be smaller then the square root of 16

Step-by-step explanation:

The two square roots of 16 are -4 and +4. The two square roots of 25 are -5 and +5. So if the question had been written “Can a square root of 25 be smaller than a square of 16?”, then the answer would have been “Yes.”, because -5 is less than +4.

It should take somewhere between 8 to 9 minutes to decay until there are 30 grams remaining.