Question

$151\times 201$ can be estimated to the nearest tens place as:

• A. $150\times 210$
• B. $160\times 210$
• C. $150\times 200$

Answer 1

The correct option is C $150\times 200$

For $151\times 201$ to be estimated to the tens place
We see, $151$ can be estimated to $150$,
And, $201$ can be estimated to $200$ as shown:

So, $151\times 201\approx 150\times 200$