Question

For which pair is the SI prefix not matched correctly with its meaning?

A) mega = 10⁶
B) kilo = 1000
C) deci = 10
D) nano = 10⁻⁹
E) centi = 0.01

Answer 1

The SI prefix deci = 10 is not matched correctly with its meaning.

Step-by-step explanation:

The SI prefixes are used to represent multiples or fractions of a fundamental unit in the International System of Units (SI). In this question, we need to determine which pair has the incorrect matching of the SI prefix with its meaning. Let's analyze each option:

A) mega = 10⁶: This is correct. Mega- denotes one million, and is represented by 10⁶.

B) kilo = 1000: This is correct. Kilo- denotes one thousand, and is represented by 1000.

C) deci = 10: This is incorrect. Deci- denotes one-tenth, and is represented by 0.1 or 10⁻¹, not 10.

D) nano = 10⁻⁹: This is correct. Nano- denotes one billionth, and is represented by 10⁻⁹.

E) centi = 0.01: This is correct. Centi- denotes one hundredth, and is represented by 0.01 or 10⁻².

Therefore, the pair that is not matched correctly is C) deci = 10.