Q. Perform the operation and reduce the answer fully. Make sure to express your answer as a simplified fraction.21⋅−910Answer:
Identify numbers: Identify the numbers to be multiplied.We have two fractions: 21 and −910. We need to multiply these two fractions together.
Multiply numerators: Multiply the numerators.Multiply the numerators of the two fractions: 1×−10=−10.
Multiply denominators: Multiply the denominators.Multiply the denominators of the two fractions: 2×9=18.
Write as fraction: Write the result as a fraction.Combine the results of Step 2 and Step 3 to form a new fraction: (−10)/(18).
Simplify fraction: Simplify the fraction.The numerator and the denominator have a common factor of 2. Divide both by 2 to simplify the fraction: (−10/2)/(18/2)=−5/9.
More problems from Multiplication with rational exponents