Verified Answer :

lamalama

Round 34 to 30 and round 89 to 90. Multiply 30 and 90 which equals to 2700.

singingkind

It depend show you estimate the answer.
If you round 34 up to 35 you can use this estimation equation.
34 x 89= 35 x 90=3510
But if you're estimating by rounding 34 down to 30, you can use this estimation equation.
34 x 89= 30 x 90=2700

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