Question

Write the following in expanded exponential form: () 30405 (ii) 6804152 (iii) 729101​

Answer 1

$\small 30,405 =3 × 10^4+ 0 × 10^3+ 4 × 10^2+ 0 × 10^1+ 5 × 10^0$

$6,804,152 =6 × 10^6+ 8 × 10^5+ 0 × 10^4+ 4 × 10^3+ 1 × 10^2+ 5 × 10^1+ 2 × 10^0$

$729,101 =7 × 10^5+ 2 × 10^4+ 9 × 10^3+ 1 × 10^2+ 0 × 10^1+ 1 × 10^0$

Answer 2

(i)   3.0405 x 10 x 10 x 10 x 10

(ii)  6.804152 x 10 x 10 x 10 x 10 x 10 x 10

(iii) 7.29101 x 10 x 10 x 10 x 10 x 10