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If there are 2 oranges and 3 apples, the ratio of oranges to apples is 2:3, and the ratio of oranges to the total number of pieces of fruit is 2:5. These ratios can also be expressed in fraction form: there are 2/3 as many oranges as apples, and 2/5 of the pieces of fruit are oranges.
Rivers and lakes can have a wide range of salinities, from less than 0.01 g/kg [3] to a few g/kg, although there are many places where higher salinities are found. The Dead Sea has a salinity of more than 200 g/kg. [4] Precipitation typically has a TDS of 20 mg/kg or less. [5]
The US Occupational Safety and Health Administration recommends indoor air be maintained at 20–24.5 °C (68–76 °F) with a 20–60% relative humidity, [12] equivalent to a dew point of approximately 4.0 to 16.5 °C (39 to 62 °F) (by Simple Rule calculation below).
The first 3 powers of 2 with all but last digit odd is 2 4 = 16, 2 5 = 32 and 2 9 = 512. The next such power of 2 of form 2 n should have n of at least 6 digits. The only powers of 2 with all digits distinct are 2 0 = 1 to 2 15 = 32 768 , 2 20 = 1 048 576 and 2 29 = 536 870 912 .
Hexadecimal (also known as base-16 or simply hex) is a positional numeral system that represents numbers using a radix (base) of sixteen. Unlike the decimal system representing numbers using ten symbols, hexadecimal uses sixteen distinct symbols, most often the symbols "0"–"9" to represent values 0 to 9 and "A"–"F" to represent values from ten to fifteen.
By May 8, the US had reached a record 14.7 percent unemployment, with 20.5 million jobs lost in April. [128] The Chairman of the US Federal Reserve , Jerome Powell , warned that it may take "an extended time" before the US economy fully recovers from weak economic growth, due to the pandemic, and that in the foreseeable future the US can expect ...
Most alcohol breath testers require a minimum exhalation volume (normally between 1.1 and 1.5 L) or minimum six-second exhalation time before the breath sample is accepted. This raises concerns for subject with smaller lung volumes - they must exhale a greater fraction of their available lung volume compared with a larger subject.
The most probable value of TSI representative of solar minimum is 1 360.9 ± 0.5 W/m 2, lower than the earlier accepted value of 1 365.4 ± 1.3 W/m 2, established in the 1990s. The new value came from SORCE/TIM and radiometric laboratory tests.