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qwelly [4]
3 years ago
11

I asked this question before but no one helped me. does anyone know? ​

Mathematics
1 answer:
Vesnalui [34]3 years ago
5 0

Answer:

3.4 i believe

Step-by-step explanation:

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By rounding to 1 significant figure, estimate the value of 48.7 x 61.2<br> 11.3
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Answer : 263

Rounded (1 s.f ) = 300

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3 years ago
Your last 4 test scores are 65, 70, 80 and
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Answer:

Step-by-step explanation:

74*5 = 370

370 - 65 - 70 -70 -80 = 85

So. you need to get 85 on your fifth test.

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On the day of his 18th birthday harry decided to start saving money regularly
Veseljchak [2.6K]

We have been given that on the day of his 18th birthday Harry decided to start saving money regularly . Starting on that day, he could save 30.00 on the same date every month. We are asked to find the amount saved by the day before Harry's 60th birthday.

First of all, we will find years from 18 years to 60 years.

\text{Years}=60-18=42

We know that 1 year equals 12 months.

\text{42 years}=12\times 42\text{ Months}=504\text{ Months}

To find total amount saved, we will multiply 504 months by amount saved per month.

\text{Total amount saved}=\$30\times 504

\text{Total amount saved}=\$15,120

Therefore, Harry would have saved \$15,120 by the day before his 60th birthday.

3 0
3 years ago
Can y’all help me and tell me what the answer is please I’m a bit stuck
12345 [234]

Answer:

The correct choice is:

-2 to the 4th power is positive 16.

Option C is correct.

Step-by-step explanation:

We need to find mistake make in work below:

(-2x^4)^4=-16x^{16}

The mistake here is when we have even power, the negative sign gets positive i.e (-a)^m=a^m if m is even

so, in our case it would be:

(-2x^4)^4=16x^{16}

The correct choice is:

-2 to the 4th power is positive 16.

Option C is correct.

5 0
2 years ago
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