Question

there are about 9 billion devices(9×10 to the ninth power) connected to the Internet. If a wireless router can support 300 devices how many wireless routers are necessary to connect oh 9 billion devices wirelessly? Write in scientific notation.

Answer 1

3*10^7 routers will be needed for 9 billion devices

Step-by-step explanation:

Given

$Total Devices = 9\ billion =  9*10^9\ devices$

1 router supports 300 devices

So we have to divide the total number of devices by the devices supported by 1 router to find the number of routers

So,

$Total\ number\ of\ routers= \frac{Devices}{Devices\ with\ one router}\\=\frac{9*10^9}{300}\\=\frac{900*10^7}{300}\\=3*10^7\ routers$

Hence,

3*10^7 routers will be needed for 9 billion devices

Keywords: Routers, devices

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