Here are 3 questions by Jaishree... Just to share with all... might be helpful when you do revision:

**Question 1**

Vishal estimated number as 2000 when he rounded the number to 1,2, or 3 sig figs. Ethan was shocked by Vishal's answer and he asked Vishal what is the smallest and largest possible number such that the estimated number is 2000. Can you help Vishal answer Ethan?

**Question 2**

Evaluate the following without a calculator: Cube root of 0.064 multiplied by 0.6^2- 0.1^3 and the presentation of doing this question

**Question 3**

A class has 30 to 40 students. Each boy has 15 chocolate bars for the party. The chocolate bars are shared equally among 20 girls and the teacher without any leftovers.

a) How many students are there in the class?

b) How many chocolate bars did the teacher receive?

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