Question

$(0.03) ^{ - 2} \times (0.000027) ^{3}$

Answer 1

(0.03)^-2 × (0.000027)^3

= (3×10^-2)^-2 × (27×10^-6)^3

= (3)^-2 × (10^-2)^-2 × (27)^3 × (10^-6)^3

= (1/3²) × 10⁴ × 19683 × 10^-18

= 1/9 × 19683 × 10⁴ × 10^-18

= 2187 × 10^(4-18)

= 2187 × 10^-14

= 2187/10^14

= 0.00000000002187