Pls help ASAP. Pls do all the asked questions pls I BEG PLS 2.(a)(b)The weight of a radioactive substance remaining after t years is given by-0.04tW=1000x2grams.1WShow that t=- log₂0.041000Hence or otherwise, find the time required for the weight to reach20 grams0.001 grams.(I)(II)

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2. (a) (b) The weight of a radioactive substance remaining after t years is given by -0.04t W=1000x2 grams. 1 Show that t= - log₂ ( 0.04 W 1000 Hence or otherwise, find the time required for the weight to reach (II) 0.001 grams. (I) 20 grams

2. (a) (b) The weight of a radioactive substance remaining after t years is given by -0.04t W=1000x2 grams. 1 Show that t= - log₂ ( 0.04 W 1000 Hence or otherwise, find the time required for the weight to reach (II) 0.001 grams. (I) 20 grams

Calculus For The Life Sciences

2nd Edition

ISBN:9780321964038

Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Chapter2: Exponential, Logarithmic, And Trigonometric Functions

Section2.3: Applications: Growth And Decay

Problem 4E

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Pls help ASAP. Pls do all the asked questions pls I BEG PLS

2.
(a)
(b)
The weight of a radioactive substance remaining after t years is given by
-0.04t
W=1000x2
grams.
1
W
Show that t=- log₂
0.04
1000
Hence or otherwise, find the time required for the weight to reach
20 grams
0.001 grams.
(I)
(II)

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