Marcel said he can find 52 times 10 by adding a 0 to the end of 52 to get 520 is he correct?

Yes he is correct

Step-by-step explanation:

Whenever we are multiplying any number with  10 or multiples of ten we simply add the zeros to the end of that number.

For example:

134 x  10   =  1340

As you can see, to get the answer, you simply need to add 0 to the end of 134

Also 10 x 10 = 100

To get the answer we simply added zero to the end of ten which then give us   100

12 x 10= ?  all you need to do is to add zero to the end of 12 which will give us 120

13 x 100 =?  In this case, since the zeros are two, you will simply add two zeros to the end of  13 which will give you the answer 1300

So Marcel can find 52 times 10 by simply adding a 0 to the end of 52 to get 520 as the correct answer.

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step-by-step explanation:

f

they are simplified

step-by-step explanation: