Table below shows the prefixes that you need to know in SPM.
Conversion of prefixes
Prefixes to Normal Number
Example 1:
The frequency of the radio wave is 350M Hz. What is the frequency of the radio wave in Hz?
Answer:
Mega (M) = 1,000,000 or 106
Therefore,
350MHz = 350 x 106Hz
The frequency of the radio wave is 350M Hz. What is the frequency of the radio wave in Hz?
Answer:
Mega (M) = 1,000,000 or 106
Therefore,
350MHz = 350 x 106Hz
Example 2:
The thickness of a film is 25nm. What is the thickness in unit meter?
Answer:
nano (n) = 0.000000001 or 10-9
Therefore
25nm = 25 x 10-9m
The thickness of a film is 25nm. What is the thickness in unit meter?
Answer:
nano (n) = 0.000000001 or 10-9
Therefore
25nm = 25 x 10-9m
Normal number to Prefixes
Example 3:
0.255 s is equal to how many ms.
Answer:
mili (m) = 0.001 or 10-3
To write a normal number with prefixes, we divide the number with the value of the prefixes
0.0255 s = 0.0255 ÷ 10-3 = 25.5 ms
0.255 s is equal to how many ms.
Answer:
mili (m) = 0.001 or 10-3
To write a normal number with prefixes, we divide the number with the value of the prefixes
0.0255 s = 0.0255 ÷ 10-3 = 25.5 ms
Example 4:
Convert 265,500,000 W into GW.
Answer:
Gega (G) = 1,000,000,000 or 109
Therefore
265,500,000 W = 265,500,000 ÷ 109 = 0.2655GW
Convert 265,500,000 W into GW.
Answer:
Gega (G) = 1,000,000,000 or 109
Therefore
265,500,000 W = 265,500,000 ÷ 109 = 0.2655GW
