the design of a microchip has the scale 40:1.the length of the design is 18cm, find the actual length of the micro chip?
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Step-by-step explanation:
The design of a microchip has the scale 40:1
∵ The length of the design =18cm
∴ Actual length of the microchip =18×
40
1
=
20
9
∴m=20
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