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I have this ? How many atoms in of Fe in 1 mole of it
Select one:
a. 2.32 x 1023
b. None
c. 4.7 x 1024
d. 4.55 x 1024
e. 3.33 x 1023? If m is a root of A(x)=x^2−nx+10=0, and n is a root of B(x)=x−mx+20=0, what is the value of (n/m + m/n)^2? Why does it take Earth 24 hours to go around the Sun? If a and b are positive integers such that a^3/b^2=5/16, find the sum of all possible values of a that are less than 150.? Prove that there are no positive integers n that satisfy the condition such that 3^n is a multiple of 19.?