subtract
change
2)When adding two different signed numbers, ________ the absolute values of the numbers and keep the sign of the number with the larger absolute value.
add
subtract
change
3)When subtracting, change the subtraction to addition and _______ the sign of the number being taken away
add
subtract
change
4)Which of the following would be a good estimate for -7.94 - 2.31?
-9
-5
-6
-10
1) add.
for example -1 + -2 = - (||-1| + |-2||), which is -(1+2) or -3
2) subtract
for example 4 + -7 = -(||-7| + |4||), which is - |7 - 4| or -3
3) change
for example 3 - (- 2) = 3 + 2
4) -10
the sum is -10.25, which is closest to -10
Answer:
1) add
2) subtract
3) change
4) -10
Step-by-step explanation:
hope it helps
Answer:
DHGB
======================
1. D
2. H
3. G
4. B
A.
Yes, it is reasonable because 1 + 4 + 2 = 7.
B.
No, it is not reasonable because 1 + 4 + 5 = 10.
C.
No, it is not reasonable because 1 + 4 + 8 = 13.