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Misha Larkins [42]
3 years ago
7

How many minutes does the ACT science test take ?

Advanced Placement (AP)
2 answers:
kozerog [31]3 years ago
8 0

It takes 35 minutes to do the ACT science test.

Rudik [331]3 years ago
4 0
Takes 35-40min to complete the act science test
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With a half life of 28.8 years, how long will it take 1g of strontium-90 to decay to 250 mg
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The time it takes for 1g of strontium-90 to decay to 250 mg is; 57.6 years

<h3>What is the half life of an element?</h3>

The formula for half life is;

A(t) = A₀ * (¹/₂)^(t/t_1/2)

Where;

A(t) is amount left after t years

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We are given;

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-0.60206 = (t/28.8) * -0.3010

t = 2 * 28.8

t = 57.6 years

Read more about half life at; brainly.com/question/11152793

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Hope This Helps!

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