Answer:
A. -6.5
B. 31
C.-25
Step-by-step explanation:
A. -78/12 = -6.5 ( A negative number divided by a positive number should result as a negative)
B. 31 (A negative divided by a positive should result as a positive)
C. -25 ( A positive divided by a negative should result as a negative)
A very helpful way to divided numbers is to first ignore the negative signs and do the division first. Then you should add the negative or positive sign in the end.
Answer:
7+5=12
Step-by-step explanation:
To calculate the mass number of an atom, you have to add the protons and the neutrons. We have 7 neutrons and 5 protons, so your mass number would be 12. Let me know if you have any further questions. :)
Answer:
C: 15.9cm
Step-by-step explanation:
d= circumference/π
= 50/3.14
=15.9 cm
Answer:
154
Step-by-step explanation:
.4 x 112 = 280
.95 x 266 = 280
.55 x 280 = 154
Answer:
Step-by-step explanation:
a true
b false
