2 years ago

5 + (-2) Is it negative or positive

Mathematics

2 answers:

densk [106]2 years ago

8 0

Answer:

its positive

Step-by-step explanation:

5 + (-2) = 3

tresset_1 [31]2 years ago

8 0

Step-by-step explanation:

5+(-2)

5-2

+3 so, it is positive

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4.23×10 to the third power in standard notation/4.23×10 to the third power equals 4.23 times blank equals blank

vredina [299]

9514 1404 393

Answer:

4230

Step-by-step explanation:

4.23×10³ = 4.23×1000 = 4230

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2 years ago

Julien's parents want $64,000 at the end of 3 years. They put their money in an account that yields 10% per year compounded mont

Leto [7]

Answer: $\$47,471$

Step-by-step explanation:

Given

Julien's parents want $64,000 at the end of 3 years

The rate of interest is 10% annually

Suppose they invested P amount initially

So, compound interest, compounded monthly is

$\Rightarrow A=P\left( 1+\frac{r}{n}\right)^{nt}\quad [\text{n=Numner of compounding periods}]\\\\\text{Insert the values}\\\Rightarrow 64,000=P\left( 1+\frac{0.10}{12}\right)^{12\times 3}\\\\\Rightarrow 64,000=P\left( 1+\frac{10}{12}\right)^{36}\\\\\Rightarrow P=\dfrac{64000}{1.3481}\\\\\Rightarrow P=\$\ 47,471.37\approx \$ 47,471$