Respuesta :

Simplify...
2.5(10−8)(9(10−10))
= 0

0 will be your answer...
2.25 E -17. Here is the free online calculator that I did this on. When you go to this you are going to want to choose TI-83 or TI-84 plus to download. https://education.ti.com/en/products/calculators/graphing-calculators/ti-84-plus-se