Please help me. answer for part 2 is not 0.

please explain when you give me an answer

Will give brainliest. Thank you

Janelle made a hypothesis bout the uneven temperatures inside her house during winter. she believes that 50% of the ducts are blocked and she plans to investigate. if she wants to prove her hypothesis using scientific processes what should she do next?

What are the three ways that an object can accelerate

In positive numbers less than 1, the zeros between the decimal point and a non-zero number are blank significant