1. Measurement, STD2 M1 2007 HSC 1 MC
What is 0.000 000 326 mm expressed in scientific notation?
(A) 0.326 x 10-6 mm
(B) 3.26 x 10-7 mm
(C) 0.326 x 106 mm
(D) 3.26 x 107 mm

answer: 7270

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)

77

step-by-step explanation:

answer: no

step-by-step explanation:

you are only given the cost not the amount of pounds.