Q- In the calculation 637365- 7231112 -which digit will come in the unit-s place-

As we require only the unit’s digit, hence the question gets reduced to 7^365× nbsp;3^1112. Now, = 7^364× nbsp;7^1 nbsp; × nbsp; 3^1112 = 1 × nbsp;7 × ...

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Standard VII

Mathematics

Introduction: Decimal

Q. In the cal...

Question

Q. In the calculation $(637)^{365} \times (723)^{1112}$ ,which digit will come in the unit’s place?

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Solution

The correct option is D 7
As we require only the unit’s digit, hence the question gets reduced to $7^{365} \times 3^{1112} . N o w, = 7^{364} \times 7^{1} \times 3^{1112} = 1 \times 7 \times 1 = 7.$

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Q. In the calculation (637)365×(723)1112 ,which digit will come in the unit’s place?

The correct option is D 7As we require only the unit’s digit, hence the question gets reduced to 7365×31112.Now,=7364×71×31112=1×7×1=7.

Q. In the calculation $(637)^{365} \times (723)^{1112}$ ,which digit will come in the unit’s place?

The correct option is D 7
As we require only the unit’s digit, hence the question gets reduced to $7^{365} \times 3^{1112} . N o w, = 7^{364} \times 7^{1} \times 3^{1112} = 1 \times 7 \times 1 = 7.$