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3 years ago

What is 0.9×10 to the negative power of 1 in standard notation

2 answers:

5 0

$a^{-1}=\dfrac{1}{a}\\\\0.9\cdot10^{-1}=0.9\cdot\dfrac{1}{10}=\dfrac{0.9}{10}=\dfrac{0.9\cdot10}{10\cdot10}=\dfrac{9}{100}=0.09$

andreev551 [17]3 years ago

3 0

0.09 is the answer …

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Luda [366]

Answer: sorry the answer is not clear.

Step-by-step explanation:

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3 years ago

What is the conjugate of 1 + √5

RUDIKE [14]

Answer:

Exact Form:

1 + √5

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3 years ago

Least to greatest -2, -3/4, -0.45, 3%, 0.36

Crank

Answer:

$\large\boxed{-2,\ -\dfrac{3}{4},\ -0.45,\ 3\%,\ 0.36}$

Step-by-step explanation:

We convert some numbers to decimal fractions:

-2 = -2.00

-3/4 = -0.75

-0.45

3% = 0.03

0.36

We order

-2, -0.75, -0.45, 0.03, 0.36

$\dfrac{3}{4}=\dfrac{3\cdot25}{4\cdot25}=\frac{75}{100}=0.75$

other method

$\dfrac{3}{4}=3:4=0.75$ (use a calculator)

$p\%=\dfrac{p}{100}\to 3\%=\dfrac{3}{100}=0.03$

8 0

3 years ago

Select the basic integration formula you can use to find the indefinite integral.

kondaur [170]

Answer:

$\int \dfrac{du}{u}=\log|u|+C$

$\int u^n du=\dfrac{u^{n+1}}{n+1}+C$

$\int \dfrac{du}{u\sqrt{u^2-a^2}}=\dfrac{1}{a}\csc^{-1}(\dfrac{x}{a})+C$

Step-by-step explanation:

$\int \dfrac{du}{u}=\log|u|+C$ $[\because \int \dfrac{dx}{x}=\log |x|+C]$

$\int u^n du=\dfrac{u^{n+1}}{n+1}+C$ $[\because \int x^n dx=\dfrac{x^{n+1}}{n+1}+C]$

$\int \dfrac{du}{u\sqrt{u^2-a^2}}=\dfrac{1}{a}\csc^{-1}(\dfrac{x}{a})+C$ $[\because \dfrac{adx}{x\sqrt{x^2-a^2}}=\csc^{-1}(\dfrac{x}{a})+C]$

3 0

3 years ago

Does -2 4/5 + 6 1/3= 2/5

aleksandr82 [10.1K]

Answer:

yes.

Step-by-step explanation:

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3 years ago