−15+45(15e−10)−10e .(1 point)
Responses
2e+23
2 e plus 23
−2e−23
negative 2 e minus 23
−2e+23
negative 2 e plus 23
2e−23
To evaluate the expression and determine which answer is correct, let's proceed with the calculation step by step:
Given expression:
−15 + 45(15e−10) − 10e
First, distribute 45 within the parentheses:
= −15 + 45 * 15e − 45 * 10 − 10e
= −15 + 675e − 450 − 10e
Combine like terms (notice that the term 675e and −10e are like terms, as are −15 and −450):
= (675e − 10e) + (−15 − 450)
= 665e − 465
Since none of the provided options match this result, it seems there might have been an error in the expression you've provided or the available options. If the options are indeed intended for this calculation, none of them are correct.
However, if there's been a typo and the correct expression is actually:
−15 + 45(15e − 10) − 10 * e
= −15 + 675e − 450 − 10e
= 665e − 465
The final result would still be "665e − 465" which is not listed among the provided options. Please check the expression and the possible answers for any mistakes. If there's a specific format expected for the answer (like scientific notation), please let me know so I can convert the final result accordingly.
What is the answer is wrong
It looks like there might have been a misunderstanding or a mistake in the calculation or the options provided.
Let me clarify the expression and calculate it step-by-step once more:
Given expression:
−15 + 45(15e−10) − 10e
Breaking it down:
1. Simplify the multiplication inside the parentheses:
45 * 15e = 675e
45 * 10 = 450
2. Put the simplified terms back into the original expression:
−15 + 675e − 450 − 10e
3. Combine like terms:
(675e − 10e) + (−15 − 450)
665e − 465
Now, the correct simplification should be "665e − 465." Unless there are additional instructions or a specific way to express the answer that hasn't been provided, this should be the correct result based on the given expression.
If there is still a problem, and the provided options are:
A) 2e+23
B) −2e−23
C) −2e+23
D) 2e−23
Then none of these options match the calculated result of "665e − 465." If none of these are correct, there may be an error in the expression or in the provided options. Please check the expression and the options again to ensure there are no typos or misunderstandings. If you need further assistance, feel free to provide the corrected information.
wrong answer
I apologize if there has been any confusion. Let's re-evaluate the expression provided step by step once more to find the correct answer:
Given expression:
−15 + 45(15e−10) − 10e
Solving inside the parentheses:
45 * (15e−10) = (45 * 15e) − (45 * 10) = 675e − 450
Now, substitute this back into the original expression:
−15 + (675e − 450) − 10e
Combine the terms:
−15 + 675e − 450 − 10e
Now, we'll group like terms together:
(675e − 10e) + (−15 − 450)
Do the arithmetic for like terms:
665e − 465
So the correct calculation of the expression is:
665e − 465
However, if the provided options (A, B, C, D) are the ones you are choosing from, and none matches "665e − 465," then it appears there may be an error either with the options provided or in the transcription of the question. Please review the expression and the options, and if there's a specific set of options to choose from, provide them in full so that I can assist you accurately.
To evaluate the given expression −15+45(15e−10)−10e, we need to follow the order of operations (PEMDAS/BODMAS).
First, we evaluate any expressions within parentheses. In this case, we have (15e−10). To simplify this, we replace the variable e with its actual value if it's given, or we leave it as it is if no value is specified.
Assuming no specific value for e is given, we cannot simplify the (15e−10) term any further.
Next, we multiply 45 by the result of (15e−10):
45(15e−10) = 675e - 450.
Now, we substitute this multiplication into the original expression:
−15 + 675e - 450 - 10e.
Combining similar terms:
(−15 - 450) + (675e - 10e) = -465 + 665e.
So, the simplified expression is -465 + 665e.
To provide a specific numerical answer, we would need to know the value of the variable e.