The area of a square mirror is 64 in.² what is the length of the mirror?

A. 6 in.

B. 8 in.

C. 6.4 in.

D. 16 in.

8 or B

Step-by-step explanation:

which is equal to 8

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)

kk.bj.

step-by-step explanation:

.mnm.kn.kj