0.0042 = (42/1000) = 4.2 / 10³ = 4.2 * 10⁻³
Because you an in partial products you add the numbers like regrouping your still adding in regrouping
If it is 41/3, then the answer would be 13 and 2/3. If it is 4/13, then there would be no mixed number. Sorry. It is hard to tell because there is no slash to represent where the numerator and the denominator is.
We have the triangle 30° - 60° - 90°.
The lenght of the sides are in proportion: 
Answer: A) B.
B) D.
C) D.
Step-by-step explanation: It’s easy, next time show the people the image of the question, because how do you expect us to answer it?
