Question

Write the following numbers in the expanded forms:
$279404,3006194,2806196,120719,20068$

Answer 1

Given numbers: $279404,3006194,2806196,120719,20068$

(i) $279404=2\times {10}^5+7\times {10}^4+9\times {10}^3+4\times {10}^2+0\times {10}^1+4\times {10}^0$

(ii) $3006194=3\times {10}^6+0\times {10}^5+0\times {10}^4+6\times {10}^3+1\times {10}^2+9\times {10}^1+4\times {10}^0$

(iii) $2806196=2\times {10}^6+8\times {10}^5+0\times {10}^4+6\times {10}^3+1\times {10}^2+9\times {10}^1+6\times {10}^0$

(iv) $120719=1\times {10}^5+2\times {10}^4+0\times {10}^3+7\times {10}^2+1\times {10}^1+9\times {10}^0$

(v) $20068=2\times {10}^4+0\times {10}^3+0\times {10}^2+6\times {10}^1+8\times {10}^0$