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5 votes
Use mental math to solve this problem. Choose the fact that could help. 4000 x 50

4 x 5
40 x 50
4 x 400

2 Answers

5 votes
the answer is 200,000, take away the 0s then add them back after answering your problem
User Quv
by
5.6k points
3 votes

Answer:

200,000

20

2,000

1,600

Explanation:

User Sycomor
by
5.5k points