prettyboib22
24.02.2021 •
Mathematics
If 50 grams of a radioactive substance decomposed to 42 grams in 2 years, then, to the nearest gram, the amount left after 5 years is
30 grams
32 grams
22 grams
40 grams
28 grams
Solved
Show answers
More tips
- H Health and Medicine How to Get Pregnant Faster?...
- S Style and Beauty Lamination of Hair: How it Works and What it is?...
- C Computers and Internet Best Applications for Your iPad: Review of the Best Candidates for Installation...
- S Style and Beauty Intimate Haircut: The Reasons, Popularity, and Risks...
- A Art and Culture When Will Eurovision 2011 Take Place?...
- S Style and Beauty How to Choose the Perfect Hair Straightener?...
- F Family and Home Why Having Pets at Home is Good for Your Health...
- H Health and Medicine How to perform artificial respiration?...
- H Health and Medicine 10 Tips for Avoiding Vitamin Deficiency...
- F Food and Cooking How to Properly Cook Buckwheat?...
Answers on questions: Mathematics
- M Mathematics What is Evaporation? Madhu ki kartute-_-...
- M Mathematics What is 12.375 written in expanded form? how is it written with number names...
- M Mathematics are all diagonals also lines of symmetry? and can you explain why?...
- M Mathematics What integer represents the origin of a number line?...
- M Mathematics What is the consonant of the word math...
- M Mathematics 91284 rounded to the hundred thousand...
- M Mathematics What is 7.0362*10 to the -4 power ?...
- M Mathematics Leon measured the distance each of his four toy cars rolled across the floor. which car measurement that has a 4 in the thousandths place represents the shortest...
- M Mathematics The area of a rectangular park is 3/5 square mile. the length of the park is 7/8 mile. what is the width of the park show your work remember that area=length +width...
- M Mathematics Jills fish with eight times as much as her parakeet together the pets weigh 63 ounces how much does the fish weigh...
Ответ:
30 grams
Step-by-step explanation:
50-42=8
8÷2=4
4=1 year
5×4=20
50-20=30
Hope u can understant
Ответ: