Giving brainliest 0.85 ? 7/8
a. 0.85 > 0.78 c. 0.85 < 0.875
b. 85/100 > 7/8 d. 8/5 > 7/8

Option C, 0.85 < 0.875

Step-by-step explanation:

0.85 ? 7/8

Convert 7/8 to decimal

0.85 ? 0.875

0.85 < 0.875

 Option C, 0.85 < 0.875

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)

step-by-step explanation:

the true ones are a b and d