Economists have long recognized that investment is a crucial source of productivity and economic growth. By providing workers with more capital and thus improving labour productivity, tangible investment expands output and raises living standards.
Answer:
oh ok
Explanation:
I'll do it in my computer
Answer:
778300000= 7.783 times 10^8
Explanation:
Answer:
a telephone wire 120 m long and 2.2 mm in diameter
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