Which sums are equal to -9+21? Choose
2 answers:
Answer:
A and C
Step-by-step explanation:
-9 + 21 = 12
Option A:
21 + (-9)
21 - 9
12 TRUE
Option B:
9 + (-21)
9 - 21
-12 FALSE
Option C:
(-9) + 9 + 12
0 + 12
12 TRUE
Option D:
-(9 + 21)
-(30)
-30 FALSE
Option E:
(-9) + (-21)
-9 - 21
-30 FALSE
Best of Luck!
Answer:
A, C
Step-by-step explanation:
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Step-by-step explanation:
9.3 × 107 would be the scientific notation
Sum of two interiors=exterior
Answer:
12.5%
Step-by-step explanation:
27-24=3
3/24=1/8
1/8=0.125
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