Benchmark Qtr 2 Review (Rational, Sci Not, Exponents)

Write 0.000972 in scientific notation.

• 9.72 x 10^-4
• 9.72 x 10^-3
• 972 x 10^-4
• 9.72 x 10⁴

Write 7.113 x 10⁷ in standard form.

• 71,130,000
• 7,113,000
• 0.0000007113
• 7,113

Tags

CCSS.8.EE.A.3

UNDERSTANDING
If the exponent is a positive number...

• you will get a large number
• you will get a smaller number

Tags

CCSS.6.EE.A.1

UNDERSTANDING
If the exponent is a negative number...

• you will get a large number
• you will get a small number

Tags

CCSS.8.EE.A.3

According to exponent rules, when we divide two powers with the same base we _______ the exponents.
Example: h⁸ / h³

• add
• subtract
• multiply
• divide

Tags

CCSS.8.EE.A.1

According to exponent rules, when we multiply two power with the same base we _______ the exponents.
Example: c⁶ ⋅ c⁴

• add
• subtract
• multiply
• divide

Tags

CCSS.8.EE.A.1

Which set contains an irrational number?

• {0, 1, 2, 3, -1}
• {0.17, √3, 2.555..., √4}
• {1/3, 2/3, -3/5}
• {√100, 0.125125125, -1.0888}

Solve:
(2.1×10​²​​) × (3.0×10​⁴)

• 5.1 x 10²
• 6.3 x 10⁶
• 5.1 x 10⁶
• 6.3 x 10⁸

Tags

CCSS.8.EE.A.4

Write the answer in scientific notation.
4.1 x 10⁵ +   5.5 x 10⁶  =

• 5.91 x 10⁶
• 9.6 x 10⁵
• 9.6 x 10¹¹
• 4.65 x 10⁵

Tags

CCSS.8.EE.A.4

Solve:
(9 x 10^-6) / (3 x 10^-3) 

• 27 x 10^-9
• 3 x 10^-3
• 3 x 10^-9
• 27 x 10^-3

Tags

CCSS.8.EE.A.4