How do you solve equations with exponents

Mathematics

2 answers:

Katyanochek1 [597]3 years ago

8 0

Answer:

First if their is no parenthesis with other numbers you solve the exponents first before any other number and then do the equation naturally.

Step-by-step explanation:

fiasKO [112]3 years ago

7 0

Answer:

u can solve equations by multiplying the 2 numbers

ex: if there 2 and the top is 3 u can multiply 3×3 two times equals 6

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Digiron [165]

Answer: 1211.6585 years

<u>Step-by-step explanation:</u>

The equation for exponential growth is: $P=P_oe^{kt}$

P: final population
P₀: initial population
k: rate of decay (or growth)
t: time

Use the half life information to find k:

$\dfrac{1}{2}P_o=P_oe^{k(800)}\\\\\\\dfrac{1}{2}=e^{800k}\qquad \rightarrow \qquad \text{divided both sides by}\ P_o\\\\\\ln\bigg(\dfrac{1}{2}\bigg)=800k\qquad \rightarrow \qquad \text{applied ln to both sides}\\\\\\\dfrac{ln(\frac{1}{2})}{800}=k\qquad \rightarrow \qquad \text{divided both sides by 800}\\\\\\\large\boxed{-0.000867=k}$

Next, input the information (65% decayed = 35% remaining) and the k-value to find your answer.

$.35P_o=P_oe^{-0.000867t}\\\\\\.35=e^{-0.000867t}\\\\\\ln(.35)=-0.000867t\\\\\\\dfrac{ln(.35)}{-0.000867}=t\\\\\\\large\boxed{1211.6585=t}$

5 0

4 years ago

A cereal box has dimensions of 10 1/2 inches by 7 1/2 inches by 2 1/2 inches. What is the volume of the cereal box? 19 1/2 in³ 2

Temka [501]

196 3/8 in^3. To get this, multiply all the numbers together. To find volume, the equation is length x width x height.

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3 years ago

you can buy 5 cans of green beans at the village market for $3 you can buy 10 of the same cans of beans at Sams Club for $6.10 w

ioda

Each can of green beans costs ($3.00/5) = 60¢ at the
village market, and ($6.10/10) = 61¢ at Sam's Club.

If you're watching every penny, then that MIGHT be enough
of a difference to make you decide to buy your beans at the
village market, but not necessarily.

If, say, the village market is farther away from you, or if there are
other things you're going to get from Sam's anyway, then you
should buy your beans there too.

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3 years ago

)) Ms. Terry runs the school cafeteria. In October, she had to order 15 cases of chocolate

Anna11 [10]

Answer:

I think number 2 is the answer, but 4 could be the answer.

7 0

2 years ago

Read 2 more answers

Please help me!!!!!!!!

sergejj [24]

Answer: