146k views
2 votes
My son needs to Estimate. Then record the product 640x3 please help

User FarshidABZ
by
6.5k points

2 Answers

6 votes

640 stays the same but the 3 becomes 5 and then multiply!

User Michael Klein
by
6.8k points
3 votes

Estimate:1900

Product:1,920

User Sam Yates
by
5.9k points