Which of the following expressions is written in scientific notation? -5
O 0.2 x 10
O 31.4 x 104
O 1x 103
O 13 x 104

Hi, There!

Which of the following expressions is written in scientific notation?

O 0.2 x 10 Is the Correct Answer.

xXxAnimexXx

Have a great day!

answer:  

step-by-step explanation:

here x represents the height of the pole,

and, the height of the shadow of the pole is 12 feet.

also, the angle of elevation from the top of the pole is 40°,

therefore,

by the low of sine,

which is the required equation for finding the value of x,

pay attention in your classes and concentrate the best thing you can do to raise your test scores is to pay attention when you're supposed to be learning the material: in class!

take good notes.

do your homework.

use mnemonics and other tricks.

do practice tests.

note: the best i know.