3 years ago

530 divided by 16 give the quotient and remainder

Mathematics

1 answer:

damaskus [11]3 years ago

6 0

33
_____
16 | 530
48
-------
50
48
----------
2

quotient = 33
remainder = 2

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Radium-226 has a half-life of 1620 years. for a 150 gram sample, how many grams will remain after 200 years?

VashaNatasha [74]

Ah, yes

if you start with P amount of something and the half life is h units (in years) and the time elapsed is t (in years) then the amount left is A

the equation is
$A=P(\frac{1}{2})^\frac{t}{h}$

so
given
h=1620
P=150
t=200
so
$A=150(\frac{1}{2})^\frac{200}{1620}$
$A=150(\frac{1}{2})^\frac{10}{81}$
use your calculator
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amid [387]

Step-by-step explanation:

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