168k views
0 votes
How are basic facts can help you find 10*20*30*40 mentally

User Jakub Mach
by
7.9k points

1 Answer

4 votes
When you do the multiplication you can notice that 10, 20, 30, 40 all have 0's at the end.

So that means 10 *20*30*40 = 1*2*3*4*10000 = 24*10000 = 240,000
User Alex Trevithick
by
8.3k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories