2 years ago

Use patterns and properties to compute mentally 3,000 * 70

2 answers:

5 0

This should be simple.

So, just do 7*3.

7*3 = 21.
Then add however many 0s you see, so 4.

210,000.
<span>
</span><span>Your Answer:
</span>210,000

Romashka-Z-Leto [24]2 years ago

4 0

Well, 7*3= 21 so all you have to do is add the zeros to get: 210,000
:)
Hope this helped!

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