For visualising the power $2^{7}$ using dots, we need dots in all.

256

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64

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512

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128

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Solution

The correct option is D $128$
$2^{7} = 2 \times 2 \times 2 \times 2 \times 2 \times 2 \times 2$
$= 128$
Thus, for visualising the power $2^{7}$ using dots, we need a total of $128$ dots.

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For visualising the power 27 using dots, we need dots in all.

The correct option is D 12827=2×2×2×2×2×2×2 =128 Thus, for visualising the power 27 using dots, we need a total of 128 dots.

For visualising the power $2^{7}$ using dots, we need dots in all.

The correct option is D $128$
$2^{7} = 2 \times 2 \times 2 \times 2 \times 2 \times 2 \times 2$
$= 128$
Thus, for visualising the power $2^{7}$ using dots, we need a total of $128$ dots.