What is the following number to four significant figures in standard exponential

ID: 885264 • Letter: W

Question

What is the following number to four significant figures in standard exponential notation: 102.53070

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Part B

What is the following number to four significant figures in standard exponential notation: 656,980

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Part C

What is the following number to four significant figures in standard exponential notation: 0.008543210

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Part D

What is the following number to four significant figures in standard exponential notation: 0.000257870

2.578 × 10–4 25.79 × 10–4 2.579 × 10–4 2.580 × 10–4 257.9 × 10–6

1) four significant figures nothing but we should round up the number at 4th place

102.53070 here fourth digit is 5 after 5 if the number is below 5 thenround off will be 5 only

where as after 5 if number is above 5 then it will be 6

in the given example after 5 number is 3 so it will bee end up with 5

102.5 is four significant figure

but he asked exponential notation

so above number will be 1.025 x 102

remaining all are same

part B

656,980 here at fourth 98 is there means after 9 number is above to 5 so it will be 10

6.570 x 105 here

part C)

0.008543210

8.543 x 10-3

part D

0.000257870

2.579 x 10-4

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