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Mathematics 20 Online
OpenStudy (anonymous):

HELP

OpenStudy (anonymous):

OpenStudy (anonymous):

@ichliebedich

OpenStudy (ybarrap):

$$10^4 $$ is greater than $$10^3$$ Do you know why?

OpenStudy (ybarrap):

Remember that $$ 10^4=10\times 10\times 10\times 10\\ 10^3=10 \times 10\times 10 $$ Now can you tell which is bigger?

OpenStudy (ybarrap):

Notice also $$ 10^{-4}={1\over 10\times10\times 10\times 10}\\ 10^{-3}={1\over 10\times10\times 10}\\ $$ Now which is bigger. Understand this rule and you'll have your answer.

OpenStudy (anonymous):

@Love_Ranaa

OpenStudy (anonymous):

Please can you answer these for me?

OpenStudy (anonymous):

@mathsciencehistory

OpenStudy (anonymous):

@mjackson20

OpenStudy (anonymous):

yea

OpenStudy (love_ranaa):

1. 1.5 2. 10,000 3. 2.6 4. 0.01 5. 3.5 6. 100 7. 6.2 8. 0.1

OpenStudy (love_ranaa):

That is all the numbers simplified.

OpenStudy (anonymous):

Ok so is it B or A? i know its not C or D

OpenStudy (anonymous):

Im thinking A

OpenStudy (love_ranaa):

I don't know about A because 10^-1 isn't greater than 1

OpenStudy (love_ranaa):

OMG wait..I didn't know the numbers were multiplied together..My bad.

OpenStudy (anonymous):

No problem lol

OpenStudy (anonymous):

hii

OpenStudy (love_ranaa):

1.5 x 10,000=15,000 2.6 x 0.01= 0.026 3.5 x100= 350 6.2 x 0.1= 0.62

OpenStudy (love_ranaa):

Okay..that's it//

OpenStudy (anonymous):

Thats for the first one only right?

OpenStudy (love_ranaa):

Yeah, so now you can put them in order from least to greatest

OpenStudy (anonymous):

Right can you help wth the other ones please? :)

OpenStudy (love_ranaa):

(8.6 x 10^8)= 860,000,000 (3.2 x 10^3)= 3200

OpenStudy (love_ranaa):

860,000,000 divided by 3200 is 268750

OpenStudy (anonymous):

So A?

OpenStudy (love_ranaa):

Right

OpenStudy (anonymous):

Thanks!

OpenStudy (love_ranaa):

Okay..now for the last one..

OpenStudy (anonymous):

Right

OpenStudy (love_ranaa):

452,700 - 270,000= 182, 700

OpenStudy (anonymous):

C?

OpenStudy (love_ranaa):

C would be 182,000

OpenStudy (love_ranaa):

But that would be the best answer since scientific notation ends in 0 so yeah C :)

OpenStudy (anonymous):

Thanks!

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