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2 years ago

13

Help me i really need help

1 answer:

Marat540 [252]2 years ago

7 0

Answer:

Area = 530 cm^2

Step-by-step explanation:

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Simplify each expression. Write your answers in exponential notation.

GenaCL600 [577]

$\bf ~~~~~~~~~~~~\textit{negative exponents}
\\\\
a^{-n} \implies \cfrac{1}{a^n}
\qquad \qquad
\cfrac{1}{a^n}\implies a^{-n}
\qquad \qquad
a^n\implies \cfrac{1}{a^{-n}}
\\\\[-0.35em]
\rule{34em}{0.25pt}\\\\
\left( \cfrac{36b^3}{9a^5} \right)^3\implies \left( \cfrac{4b^3}{a^5} \right)^3\implies \stackrel{\textit{distributing the exponent}}{\left(\cfrac{4^3b^{3\cdot 3}}{a^{5\cdot 3}}\right)}\implies \cfrac{64b^9}{a^{15}}$

3 0

3 years ago

1. Find the volume of a cone with a height of 4.8 m and a diameter of 8.4 m.

andrey2020 [161]

Answer:

no

Step-by-step explanation:

ok

3 0

2 years ago

What is the sum of 4.9 × 102 and 6.8 × 103?

dusya [7]

Answer:

The sum is

$7.92\times 10^3$

Step-by-step explanation:

We want to add

$4.9\times 10^2 and 6.8\times 10^3$

The sum of these two numbers is:

$4.9\times 10^2 +6.8\times 10^3$

This is the same as:

$4.9\times 100 +6.8\times 1000$

$490 +6800=7290$

We rewrite 7290 in standard form to get;

$7.92\times 10^3$

6 0

3 years ago

I need to know how to solve this

jeyben [28]

The answer is 3 4/5 !!

5 0

3 years ago

Read 2 more answers

Can somebody please show me how to find A? thanks

NNADVOKAT [17]

Hello,
Answer C

Using Thales, 3/8=5/A==>A=5*8/3=40/3

6 0

2 years ago