Simplify <math><mstyle displaystyle="true"><mrow><mo>(</mo><mo>-</mo><mn>4</mn><msup><mrow><mi>r</mi></mrow><mrow><mn>5</mn></mrow></msup><mo>)</mo></mrow><mrow><mo>(</mo><mn>2</mn><msup><mrow><mi>r</mi></mrow><mrow><mn>8</mn></mrow></msup><mo>)</mo></mrow></mstyle></math>

Rewrite using the commutative property of multiplication.

Move <math><mstyle displaystyle="true"><msup><mrow><mi>r</mi></mrow><mrow><mn>8</mn></mrow></msup></mstyle></math> .

Use the power rule <math><mstyle displaystyle="true"><msup><mrow><mi>a</mi></mrow><mrow><mi>m</mi></mrow></msup><msup><mrow><mi>a</mi></mrow><mrow><mi>n</mi></mrow></msup><mo>=</mo><msup><mrow><mi>a</mi></mrow><mrow><mi>m</mi><mo>+</mo><mi>n</mi></mrow></msup></mstyle></math> to combine exponents.

Add <math><mstyle displaystyle="true"><mn>8</mn></mstyle></math> and <math><mstyle displaystyle="true"><mn>5</mn></mstyle></math> .

Multiply <math><mstyle displaystyle="true"><mo>-</mo><mn>4</mn></mstyle></math> by <math><mstyle displaystyle="true"><mn>2</mn></mstyle></math> .

Do you know how to Simplify Simplify (-4r^5)(2r^8)? If not, you can write to our math experts in our application. The best solution for your task you can find above on this page.