3 years ago

15x7x9=15x7x9 is what property

Mathematics

1 answer:

Crazy boy [7]3 years ago

4 0

Symmetric property of an Equality

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A = {1, 2, 5, 7}B = {3, 4, 6, 7}C = {0, 5, 8, 9}

Feliz [49]

A U B = {1, 2, 3, 4, 5, 6, 7}

Step-by-step explanation:

Step 1: Find A U B. Union of two sets A and B are the set of all elements in set A and set B.

A = {1, 2, 5, 7} and B = {3, 4, 6, 7}

A U B = {1, 2, 3, 4, 5, 6, 7}

3 0

3 years ago

Read 2 more answers

Simplify the expression. Write the answer using scientific notation. (4 × 108)2 16 × 1016 1.6 × 1016 8 × 1017 1.6 × 1017

sammy [17]

Answer:

$\large\boxed{\bigg(4\times10^8\bigg)^2=1.6\times10^{17}}$

Step-by-step explanation:

$\text{The sicientific notation:}\ a\times10^k,\ \text{where}\ 1\leq a10\\\\=1.6\times10\times10^{16}\qquad\text{use}\ a^n\times a^m=a^{n+m}\\\\=1.6\times10^{17}$

6 0

3 years ago

Can an expert help with this

SVEN [57.7K]

The formula of an area of a circle:

$A_O=\pi r^2$

We have

r = 1.8 m

π ≈ 3.14

Substitute:

$A_O=\pi\cdot1.8^2=3.24\pi\ m^2\approx3.24\cdot3.14=10.1736\ m^2\approx10.17\ m^2$

7 0

3 years ago

Need help with all questions

Vesnalui [34]

Answer:

14, 15

Step-by-step explanation:

5 0

3 years ago

What subtracted by 26 equals -102

Lesechka [4]

Answer:

-76

Step-by-step explanation:

6 0

3 years ago