Question

Estimate seventy-eight point 6 5 minus 9 point 5. Explain your method.

Answer 1

@Purplerainbowcherry

Answer 2

lets round the numbers up to 79 and 10 because the number in the tenths place is bigger than 5 what is 79-10?

Answer 3

69

Answer 4

@KlOwNlOvE

Answer 5

thats youranswer 69 then explain how we did it

Answer 6

well first we rounded them to 79 and 10 then we subtracted that and that gave us our answer

Answer 7

why did we round?

Answer 8

because the tenths place is bigger than five

Answer 9

yes

Answer 10

Show how changing the position of the parentheses affects the solution for the expression: forty divided by 5 plus 5 times the quantity of 2 to the second power minus 1. Show all of your work.

Answer 11

the 2 2 -1

Answer 12

\[40\div5+5\times5\times(2^{2})-1\]?

Answer 13

or -1 is in parenthesis too

Answer 14

which one?

Answer 15

ok so whats 2*2?

Answer 16

now 40 divided by 5?

Answer 17

5 times 5?

Answer 18

times 3?

Answer 19

plus 8?

Answer 20

ok now lets change the parenthesis to \[40\div(5+5)\times5\times2^{2}-1\]

Answer 21

whats 5+5

Answer 22

2*2?

Answer 23

40 divided by 10

Answer 24

4*5?

Answer 25

*4?

Answer 26

20 times 4?

Answer 27

80-1?

Answer 28

79

Answer 29

ok so how did it change?

Answer 30

?

Answer 31

how did moving the parenthesis affect the equations answer?

Answer 32

I don't know

Answer 33

was it a different answer?

Answer 34

idk I deleted my previous comments

Answer 35

40/5+5*5*2^2-1

Answer 36

whats 2*2

Answer 37

dood I don't have time for this I have to be done with this test in 5 mins

Answer 38

8+5*5*3
8+25*3
8+75
?

Answer 39

i really need this in an essay please help me out here

Answer 40

i cant just give you an answer

Answer 41

explain how they changed the one i just did was with parenthesisbetween 2^2-1

Answer 42

dood i have 3 mins left please just give me this answer! i really need a good grade on this

Answer 43

i can't give you an answer it's against the code of conduct