Each sunday, mario weighs himself. here are his weight changes over a 4-week period.

week: 1 2 3 4
weight change
(in pounds) -2.1 0.3 -1.7 -0.4

adding decimals how much has mario’s weight changed over the entire 4 weeks?

a. –3.9 pounds

b. 5.4 pounds

c. 3.2 pounds

d. –4.1 pounds

A) –3.9 pounds

Step-by-step explanation:

-2.1 + 0.3 - 1.7 - 0.4 =

= -3.9

step-by-step explanation:

their are no angles. sorry cant .

the mistake in the pattern is that :

b. the decimal point was moved one too many place values each time

the correct pattern could be made by :

b. moving the decimal point to the right the same numbers of place values as the exponents