Manipulating the left side of the equation, we obtain:
Using that
:
Using that
Does anyone know this?
1 answer:
Answer:
Option (C) 1.88*10⁻⁵>6.59*10⁻⁶
Step-by-step explanation:
1.88*10⁻⁵>6.59*10⁻⁶
On solving the equation C)
The values are 0.0000188>0.00000659 which is correct as compared to other options as the equation C is true
Whereas in option B, the solved values are 0.000006590.0000188 which is not true
In option D) 0.0000188 < 0.00000659 which is opposite of option C) and is false. Option A is also not true as the LHS And RHS values are not equal on solving the given value.
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Remember
(ab)/(cd)=(a/c)(b/d)
and
1kg=1000g=1*10^3g
hmm, I estimate, 4 of them
x=number of attoms
mass of 1 times x=1*10^3
3.95*10^-22 times x=1*10^3
divide both sides by 3.95*10^-22
x=
=
=
a million has 9 zeroes
so 24 zeroes is alot that is a <span>septillion, so there are 2.5316 septillion uranium atoms in 1kg
a. 4
b. underestimate
</span>
(ab)/(cd)=(a/c)(b/d)
and
1kg=1000g=1*10^3g
hmm, I estimate, 4 of them
x=number of attoms
mass of 1 times x=1*10^3
3.95*10^-22 times x=1*10^3
divide both sides by 3.95*10^-22
x=
a million has 9 zeroes
so 24 zeroes is alot that is a <span>septillion, so there are 2.5316 septillion uranium atoms in 1kg
a. 4
b. underestimate
</span>