Question

Expand 34879.

• A. $3\times 10000+4\times 1000+7\times 10+9\times 1$
• B. $3\times 10000+4\times 1000+8\times 100+7\times 10+9\times 0$
• C. $3\times 10000+4\times 1000+8\times 100+7\times 10+9\times 1$
• D. $3\times 10000+4\times 100+8\times 100+7\times 10+9\times 1$

Answer 1

The correct option is C $3\times 10000+4\times 1000+8\times 100+7\times 10+9\times 1$

In 34879, 3 is in 10000's place, 4 is in 1000's place, 8 is in 100's place, 7 is in 10's place and 9 is in 1's place.

So, $34879=3\times 10000+4\times 1000+8\times 100+7\times 10+9\times 1$