Multiply (2.0 ⋅ 10−4) ⋅ (3.1 ⋅ 10−20). express the answer in scientific notation.

The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%

How do you determine whether a relationship represented as as graph is linear or nonlinear

The reflexive property of congruence lets you say that ∠pqr ≅