The prime factorizations of 54 and 72 are shown below. Prime factorization of 54: 2, 3, 3, 3
Prime factorization of 72: 2, 2, 2, 3, 3
Using the prime factorizations, what is the greatest common factor of 54 and 72?
O 2'3
O 2'3'3
O 2'2'3'3
O 2'2'2'3'3'3

Answer

Option B: 2 ' 3 ' 3

Step-by-step explanation

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huh? im pretty sure it is in 199

step-by-step explanation:

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)