Solution:
Given expression: (
)
= 
= 13
In the expression of 13.602*1.90*3.06 will have only 3 significant figure because the number 1.90 has only 3 significant figure
.
In the expression of 4.2*1.4097 will have only 2 significant figure because the number 4.2 has only 2 significant figure.
In the result of 79.1/5.9 will have only 2 significant figure because the number 5.9 has only 2 significant figure.
Hence, in the result there are only 2 significant figure.
A. 0.25
B. 0.6
C. 0.721
D. 0.07
E. 0.095
F. .0066
When you convert percentages into decimals always move the . two spaces to the left.
To get the answer first we have to find full numbers.
We can use proportion
2/3 ----------------------- 375
1 -------------------------- x
Crossmultiply now
2/3*x=375 /:2/3
x=
x=
- its the answer A)
Now we have to find how much were originally on the card.
To get the answer we can just multiply 562 times 1/4.
562*1/4=140 - its the asnwer B)
Answer:
b=-1
Step-by-step explanation:
3(b+2)+2(b-3)=-5
3b+6+2b-6=-5
5b=-5
b=-1
