Question

555 can be expressed as

• A. $5\times {10}^2+5\times {10}^1+5\times {10}^0$
• B. $5\times {10}^1+5\times {10}^0+5\times {10}^{-1}$
• C. $5\times {10}^{-2}+5\times {10}^0+5\times {10}^1$

Answer 1

The correct option is A $5\times {10}^2+5\times {10}^1+5\times {10}^0$

555 = 500 + 50 + 5

5 $\times$${10}^2$ + 5 $\times$ ${10}^1$ + 5 $\times$ ${10}^0(\because a^0=1fora\ne 0)$