What do you mean by unit ? Write SI units of length, mass time and temperature?​

Unit is the quantity of a constant magnitude which is used to measure the magnitudes of other quantities of the same nature. The magnitude of a physical quantity is expressed as, Physical quantity = (numerical value) × (unit)

length= metre

mass= kilogram

time=second

temperature=Kelvin

UNIT-:

Unit is the quantity of a constant magnitude which is used to measure the magnitudes of other quantities of the same nature.

SI UNIT OF LENGTH- metre

SI UNIT OF MASS -kilogram

SI UNIT OF TIME -second

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5   1/4   miles per hour

step-by-step explanation:

15   3/4 / 3 = 5   1/4