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3 years ago

11

Element X is a radioactive isotope such that every 13 years, its mass decreases by half. Given that the initial mass of a sample

of Element X is 60 grams, how much of the element would remain after 30 years, to the nearest whole number?

1 answer:

Nana76 [90]3 years ago

8 0

Answer:

2,325 grams !

Step-by-step explanation:

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2 years ago

If one dozen of note books note books cost Rs. 252. Find the cost of 10 note books ?

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Step-by-step explanation:

$\underline {\underline{ \text{Given}}} :$

Cost of one dozen of note books ( 12 note books ) = Rs 252

$\underline{ \underline{ \text{To \: find}}} :$

Cost of 10 note books

$\underline{ \underline{ \text{Solution}}} :$

Finding the cost of 1 note book :

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Finding the cost of 10 note books :

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$\pink{ \boxed{ \boxed{ \tt{Our \: final \: answer : \boxed{ \underline{ \tt{Rs 210}}}}}}}$

Hope I helped ! ツ

Have a wonderful day / night ! ♡

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3 years ago

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