| oooo cricket LTE 9:42 PM session.masteringchemistry.com C Homework 1 for chapt

Question

| oooo cricket LTE 9:42 PM session.masteringchemistry.com C Homework 1 for chapter 2 Exercise 2.56 20 of 20 Part A Round the number on the left to the number of significant figures indicated as shown by the example in the first row. (Use scientific notation as needed to avoid ambiguity.) Number Rounded to 1 Rounded to 4 Significant Figures Significant Figures Significant Figure 4 52118 94 52 95 9 x 101 117 4545 Match the numbers in the left column to the appropriate blanks in the sentences on the right. Make certain each sentence is complete before submitting your answer Reset 1. The value 117.4545 rounded to 4 significant figures is 2 x 10' 1.2 × 10 1.3 x 10 2. The value 117.4545 rounded to 2 significant figures is 118 174 17.5 117.45 17.44 3. The value 117.4545 rounded to 1 significant figures is Submit Request Answer

Explanation / Answer

A)
1)
117.4545 after rounding to 4 significant figure becomes 117.5
2)
117.4545 after rounding to 2 significant figure becomes 1.2*10^2
3)
117.4545 after rounding to 1 significant figure becomes 1*10^2

B)
1)
0.755673 after rounding to 4 significant figure becomes 0.7557
2)
0.755673 after rounding to 2 significant figure becomes 0.76
3)
0.755673 after rounding to 1 significant figure becomes 0.8

C)
1)
0.009999991 after rounding to 4 significant figure becomes 0.01000
2)
0.009999991 after rounding to 2 significant figure becomes 0.010
3)
0.009999991 after rounding to 1 significant figure becomes 0.01

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