The number 0.000345 in standard form is:
34.5 × 105.
3.45 × 10⁻⁴.
3.45 × 10⁻³.
3.45 × 10⁴.
0.00875 can be written in standard form as:
8.75 × 10⁻⁴.
8.75 × 10⁻³.
875 × 10⁴.
8.75 × 10³.
The number 163.35 × 10⁻³ expressed in standard form is:
1.6335 × 10⁻¹.
16.335 × 10⁻².
16335 × 10⁻².
1.6335 × 10¹.
The number 234.5 × 10³ written in standard form is:
2.345 × 10¹.
2.345 × 10⁵.
2.345 × 10⁴.
2.345 × 10².
Expressing 0.0597 in standard form gives:
6.0 × 10².
6.0 × 10⁻².
5.97 × 10².
5.97 × 10⁻².
