3 years ago

Whats 465+374637673748375948594?

Mathematics

2 answers:

podryga [215]3 years ago

6 0

Answer:

3.74637674E20

Step-by-step explanation:

Yakvenalex [24]3 years ago

6 0

Answer: 3.74637674E20

Step-by-step explanation:

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Is 5/7 greater than 1/8?

slamgirl [31]

1/8 is greater because say you have 1/8 of a pizza you will get a bigger piece but if you had 5/7 it will be be 5 tiny pieces. so 1/8 is greater than 5/7

6 0

4 years ago

Read 2 more answers

A radioactive substance decays exponentially. A scientist begins with 190 milligrams of a radioactive

worty [1.4K]

Answer: 65.1 (mg)

Step-by-step explanation:

$y=190*e^{-a*t}\\\\Calculate\ a:\\\\t=33,y=95(mg)\\\\190*e^{-a*33}=95\\\\e^{-a*33}=0.5\\\\-a*33=ln(0.5)\\\\a=\dfrac{ln(\dfrac{1}{2}) }{-33} \\\\a=0,02100... \approx{0.021}\\\\If\ t=51\ h, y=190*e^{-0.02100*51}=65.09167...\approx{65.1}$