3 years ago

Please help due today

1 answer:

Masja [62]3 years ago

3 0

Answer: 80 ft²

Step-by-step explanation:

The area of a trapezoid is one half the product of the height and the sum of the lengths of the bases.

(6 + 10) * 0.5 * 10 = 80 (ft²)

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MissTica

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Sati [7]

Answer:

$\large\boxed{\dfrac{4.5\times10^7}{1.5\times10^{-8}}=3\times10^{15}}$

Step-by-step explanation:

The scientific notation:

$a\times10^k\ \text{where}\ 1\leq a$

We have:

$\dfrac{4.5\times10^7}{1.5\times10^{-8}}=\dfrac{4.5}{1.5}\times\dfrac{10^7}{10^{-8}}$

Use

$\dfrac{a^n}{a^m}=a^{n-m}$

$=3\times10^{7-(-8)}=3\times10^{7+8}=3\times10^{15}$

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3 years ago