Question

Which expressions are equal to the expression 5.3 – 14.2?

Choose all answers that are correct.

A.
5.3 + (–14.2)

B.
–5.3 + 14.2

C.
–14.2 + (–5.3)

D.
–14.2 – (–5.3)
dx

Answer 1

first of all....do you know what 5.3 - 14.2 is ?

Answer 2

yes

Answer 3

just put a negative in front oh each number then make it a addition sing then do that and it will wrok

Answer 4

if both are positive it will be a negative number so this wil be a ________ nomber

Answer 5

you only put one negative number and thats the last one

Answer 6

when multiplying , if the signs are different, then it is negative.....if the signs are the same, it is positive.
5.3 - 14.2 = -8.9

A. 5.3 + (-14.2) --- you have a positive times a neg.....since the signs are different, it changes to a neg. Making the problem 5.3 - 14.2.....it is equal to the expression.

B. -5.3 + 14.2 --- not the same

C. -14.2 + (-5.3) --- signs are different, so it becomes neg.
Making the problem : -14.2 - 5.3....not the same

D. -14.2 - (-5.3)......signs are the same, so it becomes positive. Making the problem :
-14.2 + 5.3 = -8.9.....same

questions ?

Answer 7

i knew it

Answer 8

MHM SO d is right

Answer 9

-8.9 so thatsr d and

Answer 10

yes...and so is A

Answer 11

yep i had d and a i love math

Answer 12

your good at math

Answer 13

d and a :) OKAY Thank you $_%

Answer 14

It is important to learn the rules about multiplying/dividing with the signs. Your gonna have more of this stuff. But do not get the rules about multiplying/dividing with signs confused with adding/subtracting with signs....the rules are not the same

Answer 15

yep

Answer 16

ohhhhhhhhhhhh okay

Answer 17

ill tell her when she needs help again

Answer 18

amy more just post it in here

Answer 19

okayo kay

Answer 20

–15.6 – (–8.1)

Answer 21

;)

Answer 22

7.5 ?? ;)??

Answer 23

i got to post new question .........................

Answer 24

ok o