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Mathematics 10 Online
OpenStudy (joehoffy):

What is the product of 3.4 × 10^−14 and 1.8 × 10^28?

Mehek (mehek14):

3.4 * 1.8 ?

OpenStudy (joehoffy):

6.12

Mehek (mehek14):

add the exponents -14 + 28 ?

OpenStudy (joehoffy):

20.12

Mehek (mehek14):

-14 + 28 ?

OpenStudy (joehoffy):

sorry 34.12

Mehek (mehek14):

-14 + 18? the answer is not a decimal ...

OpenStudy (joehoffy):

4

Mehek (mehek14):

oke so the exponent is 4 \(6.12*10^4\)

OpenStudy (joehoffy):

61200

OpenStudy (anonymous):

Wasn't that supposed to be a 28, not an 18?

Mehek (mehek14):

oh ye my bad sorry :P -14 + 28**

OpenStudy (joehoffy):

oh lol i thought so

OpenStudy (joehoffy):

14

Mehek (mehek14):

so exponent is 14 \(10^{14}\)

OpenStudy (joehoffy):

ok

OpenStudy (joehoffy):

@Mehek14 leave the game and focus pls

Mehek (mehek14):

ur done solving >_>

OpenStudy (joehoffy):

yes i am i think

Mehek (mehek14):

\(6.12*10^{14}\)

OpenStudy (joehoffy):

612000000000000

Mehek (mehek14):

no \(6.12*10^{14}\) is your final answer..

OpenStudy (joehoffy):

lmao i wanted to jerk ur chain ik lol,

OpenStudy (joehoffy):

@Mehek14 i need help with one more can u help? The weight of an adult blue whale is 9 × 104 kilograms; the weight of an elephant is 3 × 103 kilograms. How many times heavier is the whale than the elephant?

OpenStudy (joehoffy):

30 kilograms 300 kilograms 3,000 kilograms 30,000 kilograms

Mehek (mehek14):

divide 9/3

OpenStudy (joehoffy):

3

Mehek (mehek14):

subtract exponents 4-3

OpenStudy (joehoffy):

1

OpenStudy (joehoffy):

3^1?

Mehek (mehek14):

so \(3*10^1=30\)

OpenStudy (joehoffy):

ok

OpenStudy (joehoffy):

thanks

Mehek (mehek14):

your welcome

OpenStudy (joehoffy):

im confused hold on @Mehek14 why does it say 30 kilos?

Mehek (mehek14):

?

OpenStudy (joehoffy):

it says how many times is the whatle heavier, not how many kilos @Mehek14

Mehek (mehek14):

30 kilos more

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