Exponents
Write 5 × 5 × 5 × 5 × 5 in exponential form
5⁵
How is "three hundred twenty-five and four tenths" written in standard form?
325.4
What is 6.25 × 10?
62.5
What is the value of \(3 + 4 \times 2\)?
11
Evaluate 3⁴ (find the value)
81
In the number 9.048, which digit is in the thousandths place?
8
3.2 × 24
76.8
Which of the following is the best mental estimate for (48 times 21)?
Evaluate 8⁴ × 2³
32,768 (4096 × 8)
Which comparison symbol correctly makes the statement true: 3.45 ___ 3.451?
<
What is 0.38 × 0.75?
0.285
What is the value of \((12 - 4) \div 2 + 5\)?
9
Explain why -2⁸ is different from (-2)⁸
Without parentheses, only the 2 is raised to the 8th power and the result is negative (-256); with parentheses, the negative sign is part of the base and the result is positive (256)
Name a number lies strictly between 5.6 and 5.7 on a number line?
Answers Vary
What is (0.6 times 4)?
2.4
Which is the best mental estimate for (3.9 times 4.1 times 9.8)?
Round (3.9) to (4), (4.1) to (4), and (9.8) to (10). Then multiply (4 times 4 times 10 = 160).
Simplify the expression 3² × 3⁴ and leave your answer in exponential form. (By Product Rule)
3⁶
(By the Product Rule, you add the exponents: 2 + 4 = 6)
Round 4.873 to the nearest tenth.
4.9
Each ticket costs $3.25. A family buys 4 tickets. How much do they spend?
$13.00
Evaluate the expression: 6 + 2 x (8 - 3)^2 / 5
16