Question

Express $49$ milligrams in centigrams.

• A. $490$ centigrams
• B. $4900$ centigrams
• C. $0.049$ centigrams
• D. $4.9$ centigrams
  

Answer 1

The correct option is D $4.9$ centigrams

$1$ centigram is equal to $10$ milligrams.
Therefore, $49$ milligrams is equal to $\frac{1}{10}\times 49=4.9$ centigrams.