# Math

Multiple Choice

For questions 1–3, rewrite the expression using exponents.

4 × 4 × 4 × 4 × 4

A.
54

B. (My choice)
45

C.
44
======
3 × 3 × 3 × 3

A. (My choice)
34

B.
43

C.
35
=====
10 × 10 × 10

A.
310

B.
101

C.
103 (My choice)
======
For questions 4–5, rewrite the number using scientific notation.

5,000,000

A.
5 × 107

B.
5 × 105

C.
5 × 106 (My choice)
====
425,000

A.
425 × 105

B.
4.25 × 105

C.
4.25 × 104

If you could check my answers that'd be great.

1) B
2) A
3) C
4) C
5) C

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3. 👁 109
1. your top 3 r correct. still checking the others

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2. 👎 0
2. ok thanks.

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posted by Pepsi
3. Ok I believe I found all the answers thanks for checking!

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posted by Pepsi
4. Online, “*” is used to indicate multiplication to avoid confusion with “x” as an unknown.

Online "^" is used to indicate an exponent, e.g., x^2 = x squared.

e.g., 4^5, 3^4, etc.

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2. 👎 0
posted by PsyDAG

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