Work out [tex](1)^{5} , (-1)^{3} , (-1)^{4} , (-10)^{3} , (-5)^{4}[/tex].
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Work out [tex](1)^{5} , (-1)^{3} , (-1)^{4} , (-10)^{3} , (-5)^{4}[/tex].
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Answer:
( i ) We have = 1 × 1 × 1 × 1 × 1 = 1
In fact, you will realise that 1 raised to any power is 1.
( ii ) = (-1) × (-1) × (-1) = 1 × (-1) = -1
( iii ) = (-1) × (-1) × (-1) × (-1) = 1 × 1 = 1
You may check that (-1) raised to any odd power is (-1), and (-1) raised to even power is (+1).
( iv ) = (-10) × (-10) × (-10) = 100 × (-10) = -1000
( v ) = (-5) × (-5) × (-5) × (-5) = 25 × 25 = 625
Hope it is helpful.....
Answer:
625
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