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DedPeter [7]
2 years ago
14

Help, please Ill mark brainliest!

Mathematics
1 answer:
aev [14]2 years ago
4 0

Answer:

the answers are 12.5, 5, 2, 0.8 and 0.32

Step-by-step explanation:

2(0.4)^-2

=2(6.25)

= 12.5

2(0.4)^-1

= 2(2.5)

=5

2(0.4)^0

=2(1)

=2

2(0.4)^1

=2(0.4)

=0.8

2(0.4)^2

=2(0.16)

=0.32

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UGH these math problems tho please help!
Dovator [93]

Answer:

#6 would be 15/7

#7 would be 4/90

#8 would be 17/12

i can't see number 9

#11 would be 65/15 or 4.3333333


31 + 34

Step-by-step explanation:


7 0
3 years ago
Read 2 more answers
How to solve 421 divided by 2.54
irina [24]
Your answer should be 168.40 
7 0
3 years ago
Read 2 more answers
Sun Lei bought a laptop computer for $1800.
vekshin1

Subtract to find the amount of tax paid:

1890 - 1800 = 90

Divide the amount of tax by the price of the computer:

90 / 1800 = 0.05

Multiply the decimal by 100:

0.05 x 100 = 5%

The tax rate is 5%

6 0
3 years ago
.What is answer pls help me with this very important question. <br><br> 9 + 10 (78) =
Korolek [52]

Answer:

789

Step-by-step explanation:

9+10(78)

9+10*78

9+780

789

6 0
3 years ago
Read 2 more answers
Simplify the expression. 20 • 5–2<br><br> a) 25<br> b) –500<br> c) –200<br> d) 4/5
SCORPION-xisa [38]

Answer: D) 4/5

Hope this helps :)

8 0
2 years ago
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