Question
$(1.2)^3=$ _________.

Answer

$(1.2)^3=$ 1.728.
Solution:
We have, $(1.2)^3$ $=\Big(\frac{12}{10}\Big)^3=\frac{12}{10}\times\frac{12}{10}\times\frac{12}{10}=\frac{1728}{1000}=1.728$

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