Respuesta :

amna04352

Answer:

20

Step-by-step explanation:

(2×10^-10)÷(4×10^-9)

(2/4)×[(10^-10)/(10^-9)]

(1/2)×(1/10)

1/20

The smaller value is 1/20 of the larger value.. which means it's 20 times smaller that the larger one

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