Answer:
-1.6-2.1 = -3.7
Step-by-step explanation:
if u are on a number line, it would look like this
_______-1.6________
we move 2.1 to the left
____-3.7_____________
because -1.6 is negative, when you subtract 2.1, you move add 2.1 to the negative
-2.1+-1.6=-3.7
