cookiemonster0476
07.01.2020 •
Mathematics
Can you with these two questions?
1)
scientists are studying a 500 g. sample of a radioactive element. which has an annual decay rate of 11%. how many grams of the sample would be left after 10 years?
round the answer to two decimal places.
2)
in 2000, the population of an ohio town was 140,212. the population is expected to grow at a rate of 2.5% each year.
at this rate, what would be the population in 2040?
round your answer to the nearest whole number.
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Ответ:
please i don't understand the aquestion