Fill in the blanks below with whole or decimal numbers - do not enter fractions. 3 4 Let a = 7 and b = 2 3 Then, a . b = And , 11611 = And, the angle between a and b, to two decimal places, is degrees And, a = N . > it " . > it And, the normalized vector b = it k And, to two decimal places, ||a x bl| =