Question

Question 2(c)
Find the number from each of the following expanded forms:
(c) $3\times {10}^4+7\times {10}^2+5\times {10}^0$

Answer 1

(c) $3\times {10}^4+7\times {10}^2+5\times {10}^0$
$=3\times 10000+0\times 1000+7\times 100+0\times 10+5\times 1$
$=30000+0+700+0+5$
$=30,705$