Question

Write the following in generalised form:
i) 425

ii) 7799001

iii) 4535

iv) 5621 [4 MARKS]

Answer 1

Expansion: 1 Mark each

$i)425=4\times 100+2\times 10+5\times 1$

$ii)7799001=7\times 1000000+7\times 100000+9\times 10000+9\times 1000+1\times 1$

$iii)4535=4\times 1000+5\times 100+3\times 10+5\times 1$

$iv)5621=5\times 1000+6\times 100+2\times 10+1\times 1$