1. (x^3)^5
A x^-15
B x^2
C x^8
D x^15
E x^-2
F x^-8
#1- (D)
because (x^3)^5=

(x^3)*(x^3)*(x^3)*(x^3)*(x^3)=

(x*x*x)* (x*x*x)*
(x*x*x)*(x*x*x)*(x*x*x)=x^15

14. Examine the following solution to a conversion problem. Do you see a mistake? If so, identify the location of the first mistake and explain why it is incorrect.

A The conversion is not possible.

B The first problem occurs in column (1). The problem should begin with mg.

C The first problem occurs in column (2). 1 kg is not equal to 1000 g, so that should not be used as the conversion factor.

D The first problem occurs in column (2). The conversion factor is upside down (grams should be on top, and kg should be on bottom).

E The first problem occurs in column (4). The multiplication and division was performed incorrectly.

F No mistakes.

#14- is (d) because every gram is made up of 1000 milligrams 3.25 kilograms is equal to 3250 grams each of them is made up of 1000 milligrams so there are 3250 *1000=3250000

3.25 kilograms *1000= 3250 grams
the chart says 1 kilogram =1000 grams
so to get the number of grams from 3.25 kilograms i would multiply 3.25 kilograms *1000=3250
so my answer for that would be d The first problem occurs in column (2). The conversion factor is upside down (grams should be on top, and kg should be on bottom

17. Examine the following solution to a conversion problem. Do you see a mistake? If so, identify the location of the first mistake and explain why it is incorrect.

A No mistakes.
B The conversion is not possible.
C The first problem occurs in column (1). The problem should begin with L.
D The first problem occurs in column (4). The multiplication and division was performed incorrectly.
E The first problem occurs in column (3). We are not allowed to use a conversion factor of (1 L/ 1L).
F The first problem occurs in column (2). 1 L is not equal to 1000 kL, so that should not be used as the conversion factor.

#17-is F because 1kl=1000 l

not the other way around

19. Estimate the amount of juice in a typical orange juice carton in liters.

A about 8 liters

B about 5 liters

C about 4 liters

D about 3.5 liters
E about 2 liters
F about .5 liters

#19-D
i estimated it as D from a 1 liter carton that i have in the fridge

20. Estimate the weight of a small can of soup in grams.

A about 30 grams
B about 500 grams
C about 250 grams
D about 325 grams
E about 750 grams
F about 100 grams

#20- B

because a gram measures the weight of very light objects so i estimated it to be 500 grams from the can of soup that was in my refrigerator


thats the answers i submitted to her

I'd like to know the 'right' answers when you get told those two (19 and 20) are right.

Maybe we'll then understand the mind of your teacher. 

Bob

am ganna do some googling on 19 and 20 i hope ill end up with the correct answer

yup F is what am ganna submit to my teacher i hope its correct

oooh i just saw that post sorry u answered my question

but in the multi choices which one am i spouse to choose am confused on that

hi zee-f

I've posted the original diagram and my answer.

edit!

The conversion is wrong because 1kL = 1000L not the other way round. That makes it answer F.
Does that make sense?

Bob