montgomery county fairgrounds
Working with us means achieving much more Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis.
Related Articles
Trending Articles
Month 3: 460 × 1.15 = <<460*1.15=529>>
Month 4: 529 × 1.15 = <<529*1.15=608.35>>608.35 ≈ 608 (whole people)
Total ≈ 400 + 460 + 529 + 608 = <<400+460+529+608=1997>>1997
#### 1997
A chemist prepares a solution by diluting 40 mL of concentrated acid to 500 mL total volume. What is the dilution factor, and if she needs 1.5 L of the diluted solution, how many milliliters of the original acid are required?
Dilution factor = final volume / initial volume = 500 / 40 = <<500/40=12.5>>12.5
For 1.5 L = 1500 mL, acid needed = 1500 / 12.5 = <<1500/12.5=120>>120 mL
A paleobotanist estimates the age of a fossil layer using carbon-14 decay, knowing the half-life is 5730 years. If a sample has 12.5% of its original carbon-14 remaining, how old is the sample?
12.5% = 1/8 = (1/2)³, so 3 half-lives have passed.
Age = 3 × 5730 = <<3*5730=17190>>17,190 years