2 years ago

Why does the shape of the moon appear to change over the course of about a month? (2 points)

Mathematics

1 answer:

kirill [66]2 years ago

5 0

B. The sun is lighting up different amounts of the moon

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Math homework help exponents

Len [333]

Answer + Step-by-step explanation:

$\frac{5^{10}}{5^{5}} =5^{10-5} = 5^5$

$\text{used property :} \ \ \ \frac{a^{m}}{a^{n}} =a^{m-n}$

_______________________

$(4^8)^3 = a^{8 \times 3}=a^{24}$

$\text{used property :} \ \ \ (a^n)^m = a^{n \times m}$

_______________________

$10^{-4}=\frac{1}{10^{4}} \ \text{not} \ \frac{1}{4^{10}}$

_______________________

15⁶ × 15³ = 15⁶⁺³ = 15⁹

_______________________

Recall : If a ≠0 ⇒ a⁰ = 1

Then

Since 6⁸ ≠ 0 ⇒ (6⁸)⁰ = 1

6 0

1 year ago

in a class of 34 students 19 of them are girls what percentage of the class are girls to 1 decimal place

motikmotik

Answer:

55.9% of the class are girls

Step-by-step explanation:

19/34 = 0.559

0.559 x 100 = 55.9%

6 0

3 years ago

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(−2)⋅(8)−(4)⋅(−3) A. -17 B. -3 C. -4

Gwar [14]

The Answer To This Problem is: C.-4

8 0

3 years ago

2 PUIHS

tatiyna

Answer:

45%

Step-by-step explanation:

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3 years ago

Solve for f(-2) PLEASE HELPPPPP

viva [34]

Answer:

5/9

Step-by-step explanation:

f(x) = 5 * 3^x

Let x = -2

f(-2) = 5 * 3^-2

We know a^-b = 1/a^b

= 5 * 1/3^2

= 5/9

7 0

3 years ago

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