36.54
45% of 81.2 is 36.54.
I think u will need to add 5ml acid into the solution to get 25% acid
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▹ Answer
<em>3 × 4 = 4 × 3</em>
▹ Step-by-Step Explanation
You can use any expression that shows the commutative property of multiplication. For example, 3 × 4 = 4 × 3
Hope this helps!
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Brainliest is greatly appreciated!
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Answer:
a. 90
b. 360
Step-by-step explanation:
The time taken by humming bird to flap its wings= 0.08 sec
by flying 7.2 seconds a typical giant hummingbird flap its wings times
= 90 times
Since, A ruby-throated hummingbird can flap its wings 4 times faster than a giant hummingbird, it will flap its wings in every 0.02 sec
so in 7.2 seconds it will flap times = 360 times