3 years ago

HELP ME HELP ME PLEASEEE

Mathematics

1 answer:

krok68 [10]3 years ago

7 0

I got 29.2 (I also rounded it to the nearest tenth for u)

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Simplify and express the result in power notation with positive exponent

Molodets [167]

Answer:

3²

Step-by-step explanation:

Given expression:

$\sf (3^{-3} \div 3^{-10}) \times 3^{-5}$

Following the <u>order of operations</u>, carry out the calculations inside the parentheses first.

$\textsf{Apply the quotient exponent rule} \quad a^b \div a^c=a^{b-c}:$

$\implies \sf 3^{-3-(-10)} \times 3^{-5}$

$\implies \sf 3^{-3+10} \times 3^{-5}$

$\implies \sf 3^{7} \times 3^{-5}$

$\textsf{Apply the product exponent rule} \quad a^b \times a^c=a^{b+c}:$

$\sf \implies 3^{7+(-5)}$

$\sf \implies 3^{7-5}$

$\sf \implies 3^2$

Learn more about exponent rules here:

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4 0

1 year ago

Read 2 more answers

2) A rectangular pyramid has the base area measuring 30 m by 20 m. Given 1 point

Hitman42 [59]

Answer:

20x30xH=7000

11.6666 , depends on how much you need to round it. if 2 sig figs, round it to 12.

4 0

2 years ago

Read 2 more answers

Va doctor prescribes 10 mg of cough syrup. available is 5 mg/5 ml. how many teaspoons would you give?

scoundrel [369]

10 ÷ 5 = 2

ans: 2 teaspoons

4 0

2 years ago

Factor the GCF: −12x4y − 9x3y2 + 3x2y3 (5 points)

garri49 [273]

$-12x4y - 9x3y^2 + 3x^2y^3 = 3xy(-16 -9y + xy^2)$

8 0

3 years ago

Help please?<br> Also explain as much as you can

Natalija [7]

X^3 = 16
x^3 = 4^2

x = ∛4^2
x = 4^2/3

answer
B. 4^2/3

------------------
x^5 = 16
x^5 = 2^4
x = 2^4/5

answer
D. x = 2^4/5

5 0

3 years ago