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Mathematics 17 Online
OpenStudy (trwatkins1):

help

OpenStudy (trwatkins1):

OpenStudy (trwatkins1):

@carlyleukhardt

OpenStudy (carlyleukhardt):

O,o

OpenStudy (trwatkins1):

yea

OpenStudy (trwatkins1):

if it helps 1. (–1.3) • (16) • (32) • (–8.7)

Vocaloid (vocaloid):

remember the three rules: negative*negative = positive positive*negative = negative negative*negative = positive

Vocaloid (vocaloid):

so, (-1.3)*(-8.7) is positive or negative?

OpenStudy (trwatkins1):

positive

Vocaloid (vocaloid):

good, so after we multiply those two numbers, we're left with (positive number)*(16)*(32) which is positive or negative?

OpenStudy (trwatkins1):

idk

OpenStudy (trwatkins1):

positive?

Vocaloid (vocaloid):

yes, do you underestand why?

OpenStudy (trwatkins1):

yea

Vocaloid (vocaloid):

ok, can you try the next one on your own?

OpenStudy (trwatkins1):

i can try

Vocaloid (vocaloid):

tell me if you get stuck

OpenStudy (trwatkins1):

2. (–15) • (–4) • (1.2) • (9) • (–0.06)

OpenStudy (trwatkins1):

ok so -15 * -4 positive

Vocaloid (vocaloid):

right, so now we have (positive number)*(1.2) • (9) • (–0.06)

OpenStudy (trwatkins1):

1.2 * 9 positive

OpenStudy (trwatkins1):

im stuck

OpenStudy (trwatkins1):

@Vocaloid

Vocaloid (vocaloid):

keep going... (positive number)*(positive number)*(-0.06) = positive or negative?

OpenStudy (trwatkins1):

neg

OpenStudy (trwatkins1):

???

Vocaloid (vocaloid):

yes! ready for the next problem?

OpenStudy (trwatkins1):

yea but a or b

Vocaloid (vocaloid):

negative so a...

OpenStudy (trwatkins1):

3. (0.08) • (–3) • (–4.5) • (–51)

OpenStudy (trwatkins1):

1 neg 2 pos so anser is neg

OpenStudy (trwatkins1):

?

OpenStudy (trwatkins1):

vocaloid is that right?

OpenStudy (trwatkins1):

@Vocaloid is neg right for 3?

Vocaloid (vocaloid):

yes

OpenStudy (trwatkins1):

yay im doing good

OpenStudy (trwatkins1):

4. (–2.9) • (26) • (–14) • (–0.13) • (–5)

OpenStudy (trwatkins1):

negative*negative = positive positive*negative = negative negative*negative = positive

OpenStudy (trwatkins1):

1 neg 2 pos 3 pos so answer is negitive? @Vocaloid

OpenStudy (trwatkins1):

@Vocaloid ?

OpenStudy (trwatkins1):

@Vocaloid u their

OpenStudy (trwatkins1):

is answer negitive

Vocaloid (vocaloid):

not quite

Vocaloid (vocaloid):

(–2.9) • (26) • (–14) • (–0.13) • (–5) (-2.9)*(26) = negative (-14)*(-0.13) = positive (-5) = negative negative*negative*positive = positive

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