Answer:
b
Step-by-step explanation:
I mean I believe its b it looks like theres three
Answer:
check online for more information
Answer:
x= -21
Step-by-step explanation:
-1/3=7/x
-1x=21
-1x/-1=21/-1
x= -21
Answer:
To round to three significant figures, look at the fourth significant figure. It's a 5 , so round up.
To round to four significant figures, look at the fifth significant figure. It's a 1 , so round down.
To round to two significant figures, look at the third significant figure. It's an 8 , so round up.