Multiply and add it up and you got ur answer
20 Answer: a₁ = 4
<u>Step-by-step explanation:</u>

21 Answer: n = 13
<u>Step-by-step explanation:</u>

22 Answer: n = 5
<u>Step-by-step explanation:</u>

Answer:
semoga jawapan ini dapat membantu
-5x > 35
-x > 7
(Divide it by 5)
Answer:
The correct option is (c).
Step-by-step explanation:
The given number is -0.904.
We need to represent the number in scientific notation.
Any number can be written in scientific notation as follows :

Where
a is a real number and b is an integer
We can write it as follows :

Hence, the correct option is (c).