Question

A strategy for 8,429 x 7

Answer 1

Es 1000 o puedo ser 67,182949

Answer 2

Answer: 59,003

Explanation:

8,429 x 7=

8,429 x (5+2)=

8,429 x 5 + 8,429 x 2=

4,214.5*10+16,858= ==> n*5=n/2 * 10

42,145+16,858=59,003