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which choice describes a question that could be answered by moving the decimal point 3 places to the right?

a.
multiplying 41.05 by 103

b.
multiplying 41.05 by 104

c.
dividing 41.05 by 100

d.
dividing 41.05 by 1,000

step-by-step explanation:

the original amount doesn't ''re just looking for the time it takes for 1/2 of the substance to we have

(1/2) =)     take the ln   of both sides

ln (1/2)   = )   and we can write

ln(1/2) = ) lne     and lne   = 1     so we have

ln(1/2) = -.1092t     divide both sides by -.1092

t = ln(1/2)/-.1092 = about 6.347 days = about 6.3 days (rounded)