How many significant figures are present in each of the following measurements 2.3659×10-8
Answers
Answer:
THIS IS YOUR CORRECT ANSWER. HAVE A NICE DAY.
Step-by-step explanation:
Answer :
Significant figures : The figures in a number which express the value -the magnitude of a quantity to a specific degree of accuracy is known as significant digits.
Rules for significant figures:
Digits from 1 to 9 are always significant and have infinite number of significant figures.
All non-zero numbers are always significant. For example: 654, 6.54 and 65.4 all have three significant figures.
All zero’s between integers are always significant. For example: 5005, 5.005 and 50.05 all have four significant figures.
All zero’s preceding the first integers are never significant. For example: 0.0078 has two significant figures.
All zero’s after the decimal point are always significant. For example: 4.500, 45.00 and 450.0 all have four significant figures.
All zeroes used solely for spacing the decimal point are not significant. For example : 8000 has one significant figure.
(a) 45.26 ft
In this quantity, there are 4 significant figures which are 4, 5, 2 and 6.
(b) 0.109 in
In this quantity, there are 3 significant figures which are 1, 0 and 9.
(c) 0.00025 kg
In this quantity, there are 2 significant figures which are 2 and 5.
(d)
In this quantity, there are 5 significant figures which are 2, 3, 6, 5 and 9.
(e)
In this quantity, there are 3 significant figures which are 5, 2 and 0.
(f) 0.0020 kg
In this quantity, there are 2 significant figures which are 2 and 0.
(g)
In this quantity, there are 3 significant figures which are 8, 5 and 0.
(h) 300.0
In this quantity, there are 4 significant figures which are 3 and all zero.
Answer:
first pic is questions
and second is answers
Step-by-step explanation:
hope it's helpful to you...
