Express 3.87 × 10–3 in standard form.
Write the expression using exponents.
(–5) • (–5) • a • a • a • (m + 3) • (m + 3)
Evaluate the expression. Express the result in scientific notation.
Write each expression using a positive exponent.
Find the product or quotient. Express using positive exponents.
Evaluate if b = –3.
Evaluate the expression. Express the result in scientific notation.
(9.08 × 10
6) – (2.25 × 10
5)
Find the product or quotient. Express using positive exponents.
Find the product or quotient. Express using positive exponents.
(–3
m
6)(6
m
5)
Evaluate x – y2 if x = 8 and y = 3.
Order each set of numbers from greatest to least.
, 3.6,
The table shows the populations of the world’s most populous countries. Rank the countries in order from most populous to least populous.
2003 Population |
|
Country |
Population |
USA |
|
China |
|
India |
Estimate each cube root to the nearest whole number. Do not use a calculator.
Evaluate the expression. Express the result in scientific notation.
(9.51 × 10
4) + (1.96 × 10
5)
Write the expression using exponents.
(–5)(-5)(-5)(-5)(-5)(-5)(-5)(6)(6)(6)
Find the square root, if possible.
–
Evaluate 5x if x = –5.
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 (m3) |
0 |
|
1 |
|
2 |
|
3 |
|
4 |
Evaluate if m = –4 and n = –2.
Replace the with <, >, or = to make a true statement.