Respuesta :

mathstudent55

Answer:

a. No

b. Yes

c. No

d. Yes

e. Yes

Step-by-step explanation:

a. 8 + 13 = 21. No

b. -6 - 10 = -4. Yes

c. 6 × 4.6 = 27.6. No

d. 15 × 3.9 = 58.5. Yes

e. -6 × (-5) = 30. Yes