The number 0.000345 in standard form is:
3.45 × 10⁴.
3.45 × 10⁻⁴.
34.5 × 105.
3.45 × 10⁻³.
0.00875 can be written in standard form as:
8.75 × 10⁻³.
875 × 10⁴.
8.75 × 10⁻⁴.
8.75 × 10³.
The number 234.5 × 10³ written in standard form is:
2.345 × 10⁴.
2.345 × 10².
2.345 × 10⁵.
2.345 × 10¹.
Expressing 0.0597 in standard form gives:
5.97 × 10⁻².
6.0 × 10⁻².
6.0 × 10².
5.97 × 10².
The number 631927 expressed in standard form is:
6.3 x 10⁵.
6.31927 x 10⁵.
63.1927 x 10⁴.
6.31297 x 10⁻⁵.
