Sabendo que a = 10‐⁷ , b = 10¹¹ , c = 10⁴. Logo a . b . c é igual a: a) 10
b) 10⁰
c) 10²
d) 10³

Preciso do cálculo e da resposta pfv!

Name the quadrilaterals that have four equal sides.

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)