index laws

• • law 1: when multiplying numbers using powers, if the base number is the same, add the exponents. 
• • law 2: when dividing numbers using powers, if the base number is the same, subtract the exponents. 
• • law 3: a power raised to a power is multiplied. 
• • law 4: when multiplying two or more numbers raised to the power of m, raise each number in the brackets to the power of m. 
• • law 5: when dividing two numbers raised to the power of m, raise each number in the brackets to the power of m.