Question

A 38-gram sample of a substance has a k-value of 0.113

Answer 1

so far i got... 0.5=-0.113t

Answer 2

need the ln(0.5)

Answer 3

ln(0.5) =-0.113t

Answer 4

remember, if you take the natural log, you must apply it to both sides

Answer 5

ok

Answer 6

know how to get t by itself?

Answer 7

divide both sides by -k?

Answer 8

yes,

Answer 9

since k = 0.113, you would divide both sides by -0.113

Answer 10

what did u get?

Answer 11

6.13

Answer 12

somehow i got 4.43 lol

Answer 13

hm

Answer 14

google has a built in calculator so just type on ln(0.5)/-0.113

Answer 15

https://www.google.com/search?q=ln%280.5%29%2F-0.113+%3D&oq=ln%280.5%29%2F-0.113+%3D&gs_l=psy-ab.3...1642704.1644060.0.1644265.4.4.0.0.0.0.97.220.4.4.0....0...1.1.64.psy-ab..0.0.0.ypzewb3r_xA

Answer 16

hey i got one right

Answer 17

sweet

Answer 18

yay ~

Answer 19

any more questions?

Answer 20

not rn thx so much

Answer 21

ah, I'm going to bed then, gn

Answer 22

gn