pre algebra james madison
Question 1 (5 points)
Express 3.87 Ã— 10^{â€“3} in standard form.
Question 2 (5 points)
Write the expression using exponents.
(â€“5) â€¢ (â€“5) â€¢ a â€¢ a â€¢ a â€¢ (m + 3) â€¢ (m + 3)
Question 3 (5 points)
Evaluate the expression. Express the result in scientific notation.
Question 4 (5 points)
Write each expression using a positive exponent.
Question 5 (5 points)
Find the product or quotient. Express using positive exponents.
Question 6 (5 points)
Evaluate if b = â€“3.
Question 7 (5 points)
Evaluate the expression. Express the result in scientific notation.
(9.08 Ã— 10
^{6}) â€“ (2.25 Ã— 10
^{5})
Question 8 (5 points)
Find the product or quotient. Express using positive exponents.
Question 9 (5 points)
Find the product or quotient. Express using positive exponents.
(â€“3
m
^{6})(6
m
^{5})
Question 10 (5 points)
Evaluate x^{} â€“ y^{2} if x = 8 and y = 3.
Question 11 (5 points)
Order each set of numbers from greatest to least.
, 3.6,
Question 12 (5 points)
The table shows the populations of the worldâ€™s most populous countries. Rank the countries in order from most populous to least populous.
2003 Population 

Country 
Population 
USA 

China 

India 
Question 13 (5 points)
Estimate each cube root to the nearest whole number. Do not use a calculator.
Question 14 (5 points)
Evaluate the expression. Express the result in scientific notation.
(9.51 Ã— 10
^{4}) + (1.96 Ã— 10
^{5})
Question 15 (5 points)
Write the expression using exponents.
(â€“5)(5)(5)(5)(5)(5)(5)(6)(6)(6)
Question 16 (5 points)
Find the square root, if possible.
â€“
Question 17 (5 points)
Evaluate 5^{x} if x = â€“5.
Question 18 (5 points)
Erupting volcanoes are categorized by the volume of lava they emit. The greater the volume of lava, the more severe the volcano. The table shows the Volcanic Explosivity Index (VEI) for five categories of volcanoes. Rank the VEIs in order from the least destructive to the most severe.
Volcanic Explosivity Index 

VEI 
Volume (m^{3}) 
0 

1 

2 

3 

4 
Question 19 (5 points)
Evaluate if m = â€“4 and n = â€“2.
Question 20 (5 points)
Replace the with <, >, or = to make a true statement.