Answer:
The answer is 7
Step-by-step explanation:
6*7=42
(40 x 50) + (40 x 1) + (2 x 50) + (2 x 1) = 2,000 + 40 + 100 + 2
4.156−0.34
=4.156−0.34
=4.156+(−0.34 )
=3.816