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Question

Fill in the blank to make the statement true.

213-6÷21333×213-9=..................


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Solution

Given that,

213-6÷21333×213-9 =..................

Step 1: Apply the formula am÷an or aman=am-n inside the brackets , we get

= 213-6-33×213-9

= 213-93×213-9

Step 2: Apply the formula amn=amn , we get

= 213-9×3×213-9

= 213-27×213-9

Step3: Apply the law of exponent am×an=am+n , we get

=213-27+(-9)

=213-27-9

=213-36

Therefore,

213-6÷21333×213-9 =213-36 .

Hence, the answer for the given blank is 213-36 .


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