Homework PracticeSign Up
Back to assignmentPrintable assignment view
Print options

Homework Practice

Printable assignment

Power Play: Practice 1

Section A: Core Practice

Question 1mcq
Write 3×3×3×3×33 \times 3 \times 3 \times 3 \times 3 using exponents.
A.535^3
B.1515
C.88
D.353^5
Question 2mcq
Evaluate 636^3.
A.1818
B.99
C.216216
D.210210
Question 3mcq
Simplify x3×x4x^3\times x^4.
A.x12x^12
B.x1x^1
C.x7x^7
D.2x72x^7
Question 4mcq
Simplify a10÷a4a^10\div a^4, where a≠0a\neq 0.
A.a14a^14
B.a40a^40
C.a6a^6
D.11
Question 5mcq
Simplify (m4)2(m^4)^2.
A.m4m^4
B.m8m^8
C.m6m^6
D.m−2m^-2
Question 6mcq
Write 900000000900000000 in scientific notation.
A.9×1079\times 10^7
B.9×1099\times 10^9
C.9×1089\times 10^8
D.900000000×100900000000\times 10^0

Section B: Reasoning and Application

Question 7mcq
A cell diameter is about 6e−066e-06 m. Which is this length in scientific notation?
A.6×10−66\times 10^{-6}
B.60×10−660\times 10^{-6}
C.6e−06×1006e-06\times 10^0
D.6×1066\times 10^6
Question 8mcq
Which is greater: 4.1×1064.1\times 10^6 or 5.1×1055.1\times 10^5?
A.They are equal
B.5.1×1055.1\times 10^5 is greater
C.They cannot be compared
D.4.1×1064.1\times 10^6 is greater
Question 9mcq
Write 3×3×3×3×33 \times 3 \times 3 \times 3 \times 3 using exponents.
A.1515
B.535^3
C.353^5
D.88
Question 10mcq
Evaluate 636^3.
A.210210
B.1818
C.216216
D.99
Question 11mcq
Simplify x3×x4x^3\times x^4.
A.x12x^12
B.x7x^7
C.2x72x^7
D.x1x^1
Question 12mcq
Simplify a10÷a4a^10\div a^4, where a≠0a\neq 0.
A.a14a^14
B.a40a^40
C.11
D.a6a^6