<span>Anna learns in her science class that the human eye blinks an average of 4,200,000 times a year. What is this number expressed in scientific notation?</span>
Answer:
D
Step-by-step explanation:
f(x)=x³-2x²
f(i)=(i)³-2(i)²=i²×i-2(-1)
=-1×i+2
=2-i
What are answer for can you put the answers please
You have to put the number and count how many there are. Something like this.
Im sorry , the second point , do u mean its a -4
