How to do operations with scientific notation

1 answer:

7 0

1. Rewrite the number with the smaller exponent so that it has the same exponent as the number with the larger exponent by moving the decimal point of its decimal number.
2.Add/subtract the decimal numbers. The power of 10 will not change.
3. Convert your result to scientific notation if necessary.

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If x=5^a, find the value of 5x. How?

Yakvenalex [24]

Answer:

$5x = 5^{(a+1)}$

Step-by-step explanation:

Here is a problem with the concept of properties of the exponent.

We are given $x = 5^{a}$ and we have to find the value of 5x.

Now, $5x = 5 \times 5^{a}$ {Since we are given that $x = 5^{a}$ }

⇒ $5x = 5^{1} \times 5^{a}$ {Since we can write $x = x^{1}$ }

⇒ $5x = 5^{(a+1)}$ {Since we know the formula of exponent as $x^{m} \times x^{n} = x^{(m + n)}$ }

(Answer)

7 0

3 years ago

Can someone help me ASAP!!

Lana71 [14]

The answer is 5.

Step-by-step explanation:

To find the interquartile range you must look at the median and the upper and lower halves of the data. The median (12) to the upper half of the data (15) is 3. Next, look at the median (12) to the lower half of the data (10) it is 2. We then add 2 and 3 to get the interquartile range of 5.

6 0

2 years ago

Freddy is driving from home to his grandfather's house, which is 174 miles away. He drives at an average rate of 58 miles per ho

Liono4ka [1.6K]

If n = number of hours and the equation is 174 + 58n then the answer is 3 hours

174 = 58n

÷ 58

3 = n

5 0

2 years ago

Read 2 more answers

X>-1 <br> help please!!!!!

Brums [2.3K]

Answer:

but if it was x>1 it would be less equal to