The scientific notation of the given number is 7.2×
.
<h3>How do you find scientific notation?</h3>
A number is written in scientific notation when a number between 1 and 10 is multiplied by a power of 10. For example, 650,000,000 can be written in scientific notation as 6.5 ✕ 10^8.
Given that,
×
×
Taking the common power of 10.
=
× (2+70)
= 72× 
In scientific notation,
Multiply and divide by 10.
7.2× 
Hence, The scientific notation of the given number is 7.2×
.
To learn more about scientific notation from the given link:
brainly.com/question/27862246
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Answer:
a² + b² = c²
28² + 45² = c²
784 + 2025 = 2809
Square root of 2809 is 53
The hypotenuse is 53
Answer:
its C
Step-by-step explanation: