Respond to this Question
Similar Questions

Chemistry
Which of the following are exact numbers? a. There are 100 cm in 1 m. b. One meter equals 1.094 yard. c. We can use the equation: F=9/5 C + 32 to convert from Celsius to Fahrenheit temperature. Are the numbers 9/5 and 32 exact or 
chemistry
How much does 1 molecule of bromine weigh? I know the atomic mass for bromine is 79.90 g but I do not know how to use it to figure out the weight of the molecule. The given answer is 2.654x10^22 but I do not know how to get 
math
John goes to the store to buy some school supplies.He byus a stapler for $6.32, staples for $3.75, pencils for $2.00, and 2 packs of erasers for $0.99 each. He must pay $0.07 tax for every ($1.00)dollar he spends. How much does 
Physics
A block with mass M rests on a frictionless surface and is connected to a horizontal spring of force constant k, the other end of which is attached to a wall. A second block with mass m rests on top of the first block. The 
math
using rounding or compatible numbers,which numbers would you choose to estimate the exact product of 25 times 25. 
General Chemistry
How do you recognize and identify the compounds and elements? How do you determine the uncertainty in measurements? What is differentiating between measured numbers and exact numbers? 
Chemistry
what is the mass of two moles of NaCl? You look up the exact numbers on the periodic table or some other chart. I will use approximations. 1 mol NaCl = 1 Na + 1 Cl = 23 + 35.5 = 58.5 grams. 1 mols NaCl, then, is 2 x 58.5 = ?? g. 
Chemistry As
Calculate the molar mass in gmol1 of h3x.nh20 mass:2.07g volume:21.35 there are 2 equations for concentration: n(h3x.nh20)=c(h3x.nh20) x 250cm3/1000 n(h3x.nh20)= c(h3x.nh20) x 21.35/1000 multiply both sides and make the 
statistics
In a certain lottery, five different numbers between 1 and 31 inclusive are drawn. These are the winning numbers. To win the lottery, a person must select the correct 5 numbers in the same exact order in which they were drawn. 
calculus
Let f be a function that has derivatives of all orders for all real numbers. Assume f(0)=5, f'(0)=3, f''(0)=1, and f'''(0)=4. Write the thirddegree Taylor polynomial for h, where h(x) = integral of f(t)dt from 0 to x, about x=0