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Mohammed Kashif Ahamed from Smt Kamalabai Educational Trust, Bangalore

Subject :NSO Class : Class 6

Which of the following unit conversions is wrong?

A1 km = 10⁹ μm
B1 cm = 10³ mm
C1 mg = 10³ μg
D1 kg = 10⁶ mg

Ans 1:

Jeronee from Christwood School, PERUMBAKKAM

WHAT IS um

Madhav from Cambridge Court High school, Jaipur

its micrometer