Answer:
a) 38 mg
b) 230 Exa-g
c) 24 ng
d) 8 Eg
e) 4.2 g
Explanation:
Given:
a) 3.8×10⁻⁵ kg
1 kg = 10⁶ mg
Multiply the above value by 10⁶
we get
3.8×10⁻⁵ × 10⁶ = 38 mg
b) 2.3 × 10¹⁷ kg
or
2.3 × 10²⁰ g
1 exa = 10¹⁸
multiply by 10⁻¹⁸
we get
230 Exa-g
c) 2.4 × 10⁻¹¹ kg
or
24 × 10⁻⁹ g
1 g = 10⁹ ng
thus,
24 × 10⁻⁹ g × 10⁹ = 24 ng
d) 8×10¹⁵ kg
or
8 × 10¹⁸ g
1 exa gram = 10¹⁸ g
( 8 × 10¹⁸ ) × 10⁻¹⁸ = 8 Eg
e) 4.2 × 10⁻³ kg
or
4.2 × 10⁻³ × 10³ = 4.2 g