memeE15
16.01.2020 •
Mathematics
Last question i need ! < 3
a radioactive substance decays at a rate of 2% per day. if there are 50 grams of the
substance left after 34 days, how much was there at the beginning of the 34 days?
round to two decimal places.
Solved
Show answers
More tips
- C Computers and Internet How to Teach Older Generations to Work with Computers?...
- L Leisure and Entertainment Unlocking the Secrets of Fast and Effective Tectonic Learning...
- S Style and Beauty How to Choose the Perfect Hair Color?...
- C Computers and Internet Best iPad Games: Our Opinion...
- A Animals and plants Man s Best Friend: Which Dog Breed Is the Most Friendly?...
- H Health and Medicine 10 Simple Techniques on How to Boost Your Mood...
- G Goods and services How to Choose the Right High Chair for Your Baby?...
- S Style and Beauty Learn how to tie a keffiyeh on your head like a pro...
- S Style and Beauty How to braid friendship bracelets?...
Answers on questions: Mathematics
- M Mathematics Simplify each expression by combining like terms. 5m³- 4mp² + m²p - 2m³ + 6mp² 2g - 5gh + 1 + 3hg - g - h...
- M Mathematics Which expression represents the distance between the two numbers on the number line? a. -1 + 2.5 b. -1 -2.5 c. 12.5 - (-1) d. 12.5 -11...
- M Mathematics Given the scale factor 5/6, what would the dimensions of an 8 x 10 photo be after enlargement?...
- M Mathematics Adjust the equation so the line passes through the points. Hint: Adjust only the slope.y=I WILL MARK BRAINLIEST!...
- B Business When IBM selected Ginni Rometty as its CEO in 2011, it selected not only the first woman CEO in its history but also someone who had been with the company since 1981 and had...
- C Chemistry V1=v2divided by n1 =n2Using the above formula for Avogadro s law, selectthe correct algebraic form below for the equationto be used for this calculationn!...
Ответ:
99.38 grams
Step-by-step explanation:
The given information can be translated to the exponential function ...
q = 50·0.98^(t -34) . . . . . t in days
Then for t=0, we have ...
q = 50·0.98^(-34) ≈ 99.38 . . . . grams
Ответ: