The mass of one oxygen molecule is 5.3x10-23 gram. Find the mass of 50,000 molecules of methane. Express the answer in scientific notation

Given that abcd is a rhombus, what is the value of x?

Compare the following pair of numbers a and b in three ways. a. find the ratio of a to b. b. find the ratio of b to a. c. complete the sentence: a is percent of b. a=120 and b=340 a. the ratio of a to b is . b. the ratio of b to a is . c. a is nothing percent of b.

The function f(x)= x5+ ( x + 3)2 is used to create a table. if x = -1 then what is f(x)?