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Ilya [14]
3 years ago
9

What is the sum of 2.5 x 10^4 and 3.4 c 10^4

Mathematics
2 answers:
maks197457 [2]3 years ago
8 0

Remember P.E.M.D.A.S to be able to solve  the equations. We'll be using the E (exponents) and M (Multipliction)

SOLVING...

1. 2.5 x 10^4

Solve Exponent... 10^4 = 10000

Multiply... 2.5 x 10000 = 25000

2. 3.4 x 10^4

Solve Exponent... 10^4 = 10000

Multiply... 3.4 x 10000 = 34000

25000 and 34000 are your answers

Temka [501]3 years ago
4 0
The answers 5.9 x 10^4 the exponent stays the same you just add the base numbers
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ahrayia [7]
So, you have to have your equation in terms of dimes. What you said about what he has: four more nickels than dimes in his pocket. Will help with our equation.
We know what a nickel and dime is worth. A nickel is .05 and a dime is .1
We don't know how many dimes are in his pocket, since we're trying to solve it.
.1x+(4+x).05=1.25; 
In the parenthesis, it shows how there are four more nickels. Let's solve it now.
.1x + (4+x).05=1.25
.1x + .2+ .05x = 1.25; Let's add like terms.
.15x + .2 = 1.25; Subtract .2 from both sides.
.15x= 1.05
1.05÷.15= 7 =x
There are 7 dimes in his pocket, let's check our answer.
We now know there are 11 nickels, since there are four more nickels than dimes.
11(.05) +.1(7) = 1.25
.55+ .7 = 1.25
Now that we've tried it, we know there are 7 dimes in his pocket.
Tell me if this helps!
7 0
3 years ago
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olya-2409 [2.1K]

Answer:

34, 1.5, 9, 12, 3.6

Step-by-step explanation:

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4 0
2 years ago
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Step-by-step explanation:

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Answer:

37.5%

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7 0
2 years ago
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2 - √3

Step-by-step explanation:

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3 years ago
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