3. Two charged spheres are placed with their centers 0.15 m apart. One has a charge of +25 x 10^-12 C and the other has a charge of -31 x 10^-12 C. What is the electric force exerted on one sphere by the other? (A)3.4 x 10-20 N
(B) 4.6 x 10'' N
(C) 3.1 x 10-0N
(D) 2.4 x 10°N

For the below questions, consider a consumer that consumes two goods, x and z with the following utility function. u with bar on top space equals space x to the power of 1 third end exponent z to the power of 2 over 3 end exponent suppose initial values for income and the prices of goods x and z are y equals 90, p subscript x equals space 10, and p subscript z equals 15 respectively, then the price of good x falls to syntax error from line 1 column 89 to line 1 column 100. unexpected '\'.. what is the magnitude of the total effect