How do you write 0.000005420 in scientific notation?

What is 6 over 21 in simplest form

If the average life span of a dog is 12 years, how many hours can you expect a dog to live? 105,120 105,000 438,000 262,800 105,150

Factor the polynomial completely. 6x^5+36x^2+24x A. 6x (x^5+6x^2+4x) B. 6 (x^5+6x^2+4x) C. 6 (x^4 + 6x+4) D. 6x (x^4+6x+4)

Solve the following system of equations and show all work. y = - x^2 + 4 y = 2x + 1

Daniel grabbed a handful of heart shaped candies. 2/5 of the candies he grabs were white. If there were 4 white candies in his hand, how many candies does he grab in all? Sonia was given a bouquet of flowers for Valentine's Day.

Write an equation of the line that passes through (-6,5) and (0,2).

Which interval is the solution set to 0.35x - 4.8 < 5.2 - 0.9x? i solved this i just wanted to post the answers for others

If 5 times a number n is subtracted from 15 the results is negative. Which of the following gives the possible values for n

Simplify the following expression: - 2 x 2 - 1 + 1 x + 1 - 1 x - 1

300 30 3 0.3 follows what pattern