Answer:
She should have multiplied by 10,000
Step-by-step explanation:
Given table:
To find the conversion rate:
Therefore, 1 hectogram = 10,000 centigrams
So when converting hectograms to centigrams, multiply the mass by 10,000.
⇒ 50 hg × 10,000 = 500,000 centigrams
Rachel's error was that she should have multiplied by 10,000.
1st one ( She should have multiplied by 10,000)
7 songs costs $8.4
6/5= $1.2 for each song
1.2 times 7= $8.4
t = 5 years
I = $ 2000
P = $ 5000
r = 8%