1
2
3
4
5
100

T/F: Scientific abbreviations should include a period (e.g., mg.).

False, only put in the non-technical words

100

T/F: The same unit abbreviation is used for both singular and plural.

T. (100 cm and 1 cm)

100

T/F: It is acceptable to begin a sentence with a number.

False, don't do it

100

T/F: You should write a space between a number and its unit (e.g., 50 kg)

True
100

T/F: 'It is 6 percentage' is correct.

False- 6 percent

200

Which is correct?

A. 20km
B. 20 km
C. twenty km

B. 20 km

200

Which is correct in a non-numerical context?

A. Measurements were recorded in cm.
B. Measurements were recorded in centimeters.
C. Measurements were recorded in cm

B. Measurements were recorded in centimeters.

200

Which sentence is correct?

A. 5 % of the sample failed.
B. A total 5 percentage of the sample failed.
C. A total of 5% of the sample failed.

C. A total of 5% of the sample failed.

200

Which is correct?

A. pH7
B. pH 7
C. pH = 7

A. pH7

200

Which sentence is correct?

A. It is five km.
B. It is five kilometers.
C. It is 5 kilometers.

B. It is five kilometers.

300

When should units be written in full words?

When there is no number directly before the unit (non-numerical context).

300

Why id the use of a period in '40 km.' is wrong?

no period after scientific abbreviations?

300

When to use “percentage” instead of %?

No number is directly written
→ The percentage was high

300

'5 centimeters were measured.' Is this correct or wrong and why?

Don't start a sentence with a figure

300

What does 'four 5-km races' mean?

four races, each 5 km long