Question

Question 2(b)
Find the number from each of the following expanded forms:
(b) $4\times {10}^5+5\times {10}^3+3\times {10}^2+2\times {10}^0$

Answer 1

(b) $4\times {10}^5+5\times {10}^3+3\times {10}^2+2\times {10}^0$
$=4\times 100000+0\times 10000+5\times 1000+3\times 100+0\times 10+2\times 1$
$=400000+0+5000+3000+0+2$
$=4,05,302$