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solniwko [45]
3 years ago
7

Describe the rule for multiplying powers with the same base and give an example please

Mathematics
1 answer:
s344n2d4d5 [400]3 years ago
6 0

When multiplying powers with the same base you write the result as a base raised to the power that is the sum of previous two powers:

a^m\cdot a^n=a^{m+n}.

For example,

2^5\cdot 2^7=2^{5+7}=2^{12};

3^5\cdot 3^4=3^{5+4}=3^9.

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Question 12 (1 point) Given P(A) 0.34, P(A and B) 0.27, P(A or B) 0.44, what is P(B)? Answer in decimal form. Round to 2 decimal
Tema [17]

Answer:  The required probability of event B is P(B) = 0.37.

Step-by-step explanation:  For two events A and B, we are given the following probabilities :

P(A) = 0.34,    P(A ∩ B) = 0.27   and   P(A ∪ B) = 0.44.

We are to find the probability of event B, P(B) = ?

From the laws of probability, we have

P(A\cup B)=P(A)+P(B)-P(A\cap B)\\\\\Rightarrow 0.44=0.34+P(B)-0.27\\\\\Rightarrow 0.44=0.07+P(B)\\\\\Rightarrow P(B)=0.44-0.07\\\\\Rightarrow P(B)=0.37.

Thus, the required probability of event B is P(B) = 0.37.

6 0
3 years ago
The box plot shows the calorie count in a few meals from a fast food chain. What is the least number of calories in a meal?
patriot [66]

Answer:

220

Step-by-step explanation: it just is

7 0
3 years ago
Which ones correct?
natima [27]

Answer:

D

Step-by-step explanation:

y = 4 is a horizontal line which would be parallel to the x axis

6 0
2 years ago
PLEASE HELP
antiseptic1488 [7]

Answer:

The principal amount is 5000 dollars = 3, 70,000 rupees (5000 dollars x 74 Rupees)

Rate = 2.5%

Time = 1 year

Now, on putting the values given in the formula

S.I.= 9,250 Rupees

Now we convert it into dollars by diving 9,250 rupees by 74 rupees.

We get,

9250/74 = 125 dollars

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
Enter the degree of the polynomial below.<br> 5,5 + 8,2 + 2x - 319 - 8x1 -4,5
Stolb23 [73]

Based on the given polynomial, the degree of the polynomial can be calculated to be 1.

<h3>what is the degree of the polynomial?</h3>

the degree of the polynomial is defined as the highest exponential degree or power in a polynomial.

from the above, we see that the highest power is 1 from 8x¹.

the degree of the polynomial is therefore 1.

find out more on the degree of the polynomial at brainly.com/question/2263735.

#SPJ1

5 0
1 year ago
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