5.7*10^9-300,000,000= 5,400,000,000
5,400,000,000=5.4*10^9
So the cell phone users worldwide is 5.4*10^9 more than the cell phone users in USA.
Answer:
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Step-by-step explanation:
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Step-by-step explanation:
3x+6 = 90
3x = 84
x = 28
angle z = 28+6=36
angle t = 56