shorter side : longer side = 3 : 7
Equate 3 parts tp 9 inches:
3 parts = 9 inches
Find 1 part:
1 part = 9 ÷ 3 = 3 inches
Find 7 parts:
7 parts = 3 x 7 = 21 inches
Area = Length x Width = 21 x 9 = 189 in²
Answer: The longer side is 21in and the area is 189 in²
Work is provided in the image attached.
Answer:
I don't see what your trying too explain to me
I only see the question itself
Step-by-step:
sorry I can't help you
The decimal number for seventy eight hundred-thousandths is 5.
<h3>
What is decimal number?</h3>
A decimal is a number that consists of a whole and a fractional part
The decimal numeral system is the standard system for denoting integer and non-integer numbers.
What is the decimal number for seventy eight hundred-thousandths?
= 78 x 10⁻⁵
<u>note</u>: a hundred thousandth = 10⁻⁵
= 0.00078
Thus, the decimal number for seventy eight hundred-thousandths is 5.
Learn more about decimal number here: brainly.com/question/1827193
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