p/q * r/s = (p*r)/(q*s)
Step 1 Make the whole number a fraction by making it ?/1 Step 2 Make the mixed number a improper fraction by multiplying the denominator by the whole number and then adding the numerator and putting that on top of the original denominator. Step 3 SOLVE using basic multiplying fractions rules Step 4 SIMPLIFY
By using the divisibility rules, I can tell that 864 is divisible by 2, 3, 4, 6, 8 and 9. By dividing those numbers into 864 I can create factor pairs, any of which I can use to start the tree. 864 432,2 216,2,2 108,2,2,2 54,2,2,2,2 27,2,2,2,2,2 9,3,2,2,2,2,2 3,3,3,2,2,2,2,2
The divisibility rules for a prime number is if it is ONLY divisible by 1, and itself.
negative times negative equals positive negative times positive equals.....you subtract the bigger number by the smaller number and keep the sign of the bigger number positive times positive equals positive im pretty sure thats right but i would make sure with your math teacher abt the second one i said
The rules are the same.
p/q * r/s = (p*r)/(q*s)
no answer
The rules for dividing negative numbers is the same as multiplying them. A negative number multiplied/divided by a negative number is positive and a negative number multiplied/divided by a positive number is negative.
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It wasn't necessary to 'create' any rules. They follow logically from the definition of exponents.
One use is shorthand for large numbers, eg the mass of the earth is 5960000000000000000000000 kg , which can be expressed as: 5.96 * 1024 kg there are also rules for multiplying / dividing exponential numbers
When multiplying something with exponents, you add it. When dividing something with exponents, you subtract it.
1. Find the value of the exponent. 2. Multiply or divide normally.
The rules are not the same.Multiplication is commutative whereas division is not.Multiplication is associative whereas division is not.
Because common denominators allow adding and subtracting of numerators. Improper fractions also have simplified rules over mixed numbers when performing multiplication and division.