426 to nearest ten is 430 because the rule is 1-4 is rounded to the 0 and 5-9 is rounded to the ten place. You just basically look at the place value and round it.
We look at the tens place
20 is in the tens place
now look at the Ones place
6 is in the Ones place
If it is 5 or greater we round it to the next ten, if it is 4 or less we keep it the same
6 is greater than 5
The number will be rounded to 430
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