Question

Q7. What will be the number of
zeros in square of 400? *​

Answer 1

Answer:

There will be four zeroes in the square of 400

Step-by-step explanation:

400× 400= 160000

Any number on squaring, gets the number of zeroes in it doubled. 400 has 2 zeroes, so its square will have four.

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Answer 2

Answer:

16000

Step-by-step explanation:

400×400=160000