300 x 40 = about 12,000.
3 x 4 = 12.
Add three zeroes.
Which do you think is the best estimate?
make a magnitude estimate.269x42= 10,100,1,000,10,000
2 answers
<< .269x42 = 10,100,1,000,10,000>>
That is about 1/4 of 40. Which one of your choices is that?
That is about 1/4 of 40. Which one of your choices is that?
2 answers