50,000,000+6,000,000+900,000+2,000+100+20+6
A. because when the slopes are the same in two lines, they are parallel.
Answer:
D. 15x10^20
Step-by-step explanation:
The rule for scientific notation is that the coefficient has to be between 1 and less than 10. This means there is only one digit in front of the decimal. 15x10^20 should be written as 1.5x10^21 to follow the rule.
You need it to be solved?
If 30% of his collection is 12 cars, then we can use the fraction
30/12=100/x
x=40
