Which number represents 3.5 x 109
A 35,000,000,000
B 3,500,000,000
C 350,000,000
D 0.0000000035
Hurry plz running out of time
Solved
Show answers
More tips
- C Computers and Internet IMHO: What is it, why is it important, and how to use it?...
- H Health and Medicine How to Calculate Your Ideal Weight?...
- S Style and Beauty Discover the Art of Nail Design: How Do You Paint Your Nails?...
- P Philosophy How to Develop Extrasensory Abilities?...
- O Other Everything You Need to Know About Kudyabliks...
- C Computers and Internet The Twitter Phenomenon: What it is and How to Use it...
- C Computers and Internet How to Choose a Laptop: Expert Guide and Tips...
- C Computers and Internet How to Choose a Monitor?...
- H Horoscopes, Magic, Divination Where Did Tarot Cards Come From?...
- S Style and Beauty How to Make Your Lips Fuller? Ideas and Tips for Beautiful Lips...
Answers on questions: Chemistry
- C Chemistry Who wants to here a song i wrote when i was 8...
- P Physics A wave has a frequency of 10 Hz and a wavelength of 30 m. What is it s speed? Be sure to show your calculations and put units in your answer!...
- C Chemistry How did microscopes with the discovery of the cells?...
- M Mathematics Nathan usually drinks 38 ounces of water per day. He read that he should drink 60 ounces of water per day. If he starts drinking 60 ounces, what is the percent increase? Round to...
- M Mathematics Estimate the solution to the exponential equation using logarithms. 7* = 16...
- C Chemistry How many 4d electrons are in W...
Ответ:
A) -270 kJ; B) +15 kJ; C) + 70 kJ
Step-by-step explanation:
ΔE = q + w
By convention, anything leaving the system is negative and anything entering the system is positive.
A) ΔE = -220 kJ - 50 kJ = -270 kJ
B) ΔE = +65 kJ - 50 kJ = +15 kJ
C) ΔE = -50 kJ + 120 kJ = +70 kJ