Which of the following numbers has exactly two significant digits? OA) 3.40 OB) 2.125 OC) 1.0475 OD) 0.00050
2 answers:
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Answer:
Step-by-step explanation:
To answer this question you need to get the same denominator (bottom number of a fraction ) on both values
Because 7 is a factor of 35, you can multiply the whole fraction by 5, (so that the first fraction has a denominator of 35 which is the same as the other value)
×5
then you add them up but remember if the denominator is the same you do <u>not </u> add them.
Hope the answer is right, Ask if unsure :)