NLN PAX Exam Math Review Questions Fully Solved.

NLN PAX Exam Math Review Questions
Fully Solved.
Prime Numbers - Answer Whole numbers that have exactly two whole numbers factors: 1 and
the number itself. Ex: 2,3,5,7,11,13,17,19,23,29



Multiplying Fractions - Answer Multiply the numerators and the denominators. Ex: 4/5x2/3
=8/15



Dividing Fractions - Answer Invert the second fraction and then multiply the two fractions. Ex:
1//3 = 1/5x3/2= 3/10



Adding and Subtracting Fractions - Answer All of the fractions in the problem must have the
same denominator



Fraction to Decimal - Answer Divide the denominator into the numerator. Ex: 2/5 = 2 divided
by 5= 0.4



Decimal to Fraction - Answer First, know the place value of the decimal. It tells you the
denominator of the fraction. Ex: 0.86 = 86/100 = 43/50



Exponent Rules - Answer When multiplying by similar bases, add the exponents. Ex: J3xJ4=J7



When dividing similar bases, subtract the exponents. Ex: r4/r3=r



When raising a power to another power, multiply the exponents.

Ex: (S2)3=S6



Any base (except zero) to the zero power equals 1. Ex: K0=1



Area of a circle - Answer A=r2




Area of a rectangle - Answer A=lw