Find the range of values for z

$27.5

step-by-step explanation:

$110.00 divided by 4

for the points

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)

32/80  

91/140

the last one 54 doesn't go into 45. 54/100 ?

step-by-step explanation: