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Q.

How do you convert 2.21 × 10–4 dl into microliters?

Class:  9

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a

2.21 × 10–6

b

2.21 × 10–1 μL

c

2.21 × 10–7 μm

d

2.21 × 10+6 

answer is B.

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Detailed Solution

We have 1L = 10dL and 1L = 106 μL
⇒2.21× 10 −4 dL× 1 L 10dL × 10 6 μL 1 L  
⇒ 2.21 × 10–1 μL

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How do you convert 2.21 × 10–4 dl into microliters?Class:  9