Algerba 1
1. 3 * 10^4 * 7 * 10^-4 7*3 = 21 10^4 * 10^-4 = 10^0 = 1 21 * 1 = 21 2.1 * 10^1 2. (5*10^4)^2= 25 * 10^8 = 2.5 * 10^9
science
Yeah, that is true. But the standard definition for the atomic number is the proton, since electrons can vary. Quote "The atomic number is equal to the number of protons in an atom's nucleus. The atomic number determines which element an atom is." from "educ...
science
EDIT - Damon is right, for number 4.
science
1. located in electron cloud 2. 8 3. protons 4. True. The closer the atoms are to the nucleus, the more energy it takes to move them between the levels. 5. True
math
a. factor would be if 2x+y * something else but it is not b. this is a factor beause it is 2x+y * something else c. sum of two terms because two terms are added d. yes it is a product because two terms are multiplied
math
a. False b. true c. true d. true
math
If it is 30 feet long, the other side is also 30 feet long. Thus, we have 30/15 + 1 = 16 saplings for one side. This, multiplied by 2 gives us 32 in all without the width. Now we only have 48-32 = 16 saplings left. Each side minus 2. Thus, we have x/2-1 saplings on each side. ...
algebra1
distance = rate times time. Use the formula and plug in the constants and variables.
Math
For average grade of 90, must all add up to the average times the amount of tests. So, 90*5 = 450 x+ 93+ 82+91+88 = 450 x+(82+88) + (91+93) = 450 x + (170 + 184) = 450 x+ 354 = 450 x+4 + (350) = 450 x+4 = 100 x = 96
Math Geometery
No problem :D
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