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adelina 88 [10]
3 years ago
5

Simplify the following expression: -5a⁷ b⁻³ • 4a⁻⁶ b⁶

Mathematics
2 answers:
Rudiy273 years ago
7 0
What is the • supposed to be? are you adding, subtracting, multiplying or dividing?
salantis [7]3 years ago
7 0
= -20a^1 b^3
This is my answer
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6
Drupady [299]

Answer:

  • (a) 1/2
  • (b) 1/3

Step-by-step explanation:

(a) 3 of the 6 numbers on the die are even, so the probability that one of them will show is 3/6 = 1/2.

__

(b) 2 of the 6 numbers on the die are less than 3, so the probability that one of them will show is 2/6 = 1/3.

5 0
3 years ago
The price of a pair of shoes is $45.90. The sales tax rate is 5%. How much sales tax do you need to pay?
Ne4ueva [31]
Multiply the price by the 5% by turning the percent into a decimal.
5% = 0.05
45.90 x 0.05 = $2.295
Which can be rounded to 2.30 if needed.
5 0
3 years ago
Read 2 more answers
42 divided by 6 plus 5 by the power of 2
Degger [83]
The answer would be 144 :)
3 0
3 years ago
Read 2 more answers
Is this proportion true 12/15=47/50<br>16/36=12/27<br>15/20=24/26<br>or 4/16=2/14
jekas [21]
For <span>12/15=47/50, we multiply 12/15 by (1/3)/(1/3) to get 4/5. For 47/50, we multiply it by (1/10)/(1/10) to get the same denominator and 4/7/5. They are not equal.

For 16/36 and 12/27, we'll notice that 36 and 27 are both multiples of 9, so we need to get that as the denominator! Multiply 16/36 by (1/4)/(1/4) because 9 goes into 36 4 times and 12/27 by (1/3)/(1/3) due to that 27 goes into 9 3 times, we get 4/9=4/9 - these are equal!

I challenge you to get the rest of them on your own using my techniques!</span>
3 0
3 years ago
What is the distance between 5 and -4
marta [7]

Answer:

8

Step-by-step explanation:

you just count backwards from 5 until you reach -4

7 0
3 years ago
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