Numbers Worksheet-17
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Temperature at the foot of a mountain is +5°C. It fell down by 10°C at the top of the mountain. The temperature recorded on the top is
(a) +15°C (b) –15°C (c) + 5°C (d) –5°C
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The value of (–2)7 is
(a) +64 (b) –64 (c) –128 (d) –14
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Value of (62)2 is
(a) 124 (b) –124 (c) 3244 (d) 3844
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Value of 24 × (–2)2 × 42 × (–5)2 is
(a) –144 (b) –5760 (c) +5760 (d) +57,600
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Cube of (–3) is
(a) +27 (b) –9 (c) –6 (d) –27
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Cube of