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I started with 

10log(x/10^-12)

First, consider that -1.5 is -3/2 and a negative exponent takes the reciprocal. 

\((-1.4)^-3/2 \)
\(1/(-1.4)^-3/2\)

\(1/ \sqrt{-1.4^3}\)
\(1/\sqrt{-2.744}\)

\(1/\sqrt{2.744}i\)

The square root of a negative number is an imaginary number.

To determine Force ( measured in newtons ) you use Newton's second law Force = mass * acceleration so to answer this question you need to know the acceleration of the jump in order to find the force.  However, the question you gave gives no way of solving for acceleration so I can't see how you would solve the problem. Try rechecking the place where you got the question from.

-13=5(1+4m)-2m

-13 = 5 + 20m -2m

-13 -5 = 5 +18m -5

-18 = 18m

-1 = m

Hey man. I just made a simple program that will execute what you asked for. Hope it helps. Click the link.  Then click the button with arrows that point at each other. Then you should see a green block that you can put numbers into to do what you wanted.

Yes, there is a shortcut to that:

100 x [1 + 10%]^n =100 x [1 + 0.10]^n=100 x 1.10^n. If n=20, then: 100 x 1.10^20=100 x 6.7275 =

672.75.

i need help putting that into agles

180-[x+(x-44)]=48

180-48=[2x-44]

132=2x-44

2x=132+44

2x=176

x=176/2

x=88

cake

A Smaller number will make the product smaller.

\((1/2) * 0.001 < 1/2\)

However, dividing by a smaller number or multiplying by 1 over a small number will result in a large number

\((1/2) * (1/0.001) > 1/2\)

No this is as simplified as it gets.

I am assuming you went from 

log x¹⁰ + 120 to 10log(x)+120.

√(50) =√(10) * √ (5) = √ (5) * √ (2) * √(5) =  5√2

√72 = √6 * √12 = √6 * √2 * √6 = 6√2

√45 = √9 * √5 = 3√5

\(3750/0.0725=51724.13793 (answer)\)

1. Turn 7.25% into a decimal (divide it by 100).
2. Divide 3750 by the decimal form of 7.25%

30=-5(6n+6) 

30/-5=6(n+1)

-6=6(n+1)

-1=n+1

-2=n

770 * 6 = 4620

77 * 6 * 100 = 7700 * 6 = 46200

False

-9 +20 = 11

My bad didn't see your comment. I guess you can still double check.

\(3^3 +4(21 - (7+2*3) =59\)

\(27+ 4(21-(7+6) =59\)

\(27+4(21-13)=59 \)

\(27+32 =59 \)

\(59=59\)\(\)

Plus, you helped me break down my real problem and now understand it better.

So thanks geno3141. 

\(-8.4/(2.1 +3/11)\)

\(-8.4/(2.1 + 0.27)\)

\(-8.4/ 2.37\)

\(-3.6\)

If you mean "caret" being this symbol: ^ it is used to say "to the power of" for example 7^4 is 7 to the power of 4 which equals 2401

If you are referring to the carrot symbol, ^, on a calculator you simply put a number after the carrot and make sure to be aware of your parentheses otherwise it could mess up your calculations. 

For example 

2^2 would be 2²  which is four

However,

Take these two expressions as examples

2^(2) + 2  and 2 ^ 2 + 2

1. 2^ 2 + 2 Could be read by your calculator as 2²⁺⁴  which is 2⁶ = 64
2. 2^(2) +2  whereas 2² + 2 would be 6.

As you can see there a huge importance over where you put the parentheses  and don't put them.

I mean't 3^3+4(21-(7+2*3))

Sorry, my bad 

At least 12

At least 12

Or maybe even 42