Question

An ornamental ring contains 275 carats of diamond. How many grams diamond does it have?

• A. $275\times 200\times {10}^{4}g$
• B. $275\times 200\times {10}^{-3}g$
• C. $275\times 200\times {10}^{3}g$
• D. $275\times 200\times {10}^{-4}g$

Answer 1

The correct option is B $275\times 200\times {10}^{-3}g$

One carat is equal to 200 milligrams, or 0.2 grams.

so the 275 carats having weight $275\times 200\times {10}^{-3}$ gm

answer B is correct