Write the fraction of each diagram that is
a) shaded .
b) not shaded

A: 1/8 for the first one    B:7/8

Step-by-step explanation:

1 is shaded and 7 are not

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)

42.4

step-by-step explanation:

convert to decimal