Express the Number in Terms of Powers of the Numbers $3 \cdot 7 \cdot 7 \cdot 7$

Multiple Choice

Express the number in terms of powers of the numbers in the expression.
- $3 \cdot 7 \cdot 7 \cdot 7$

A) $3 \cdot 3(7)$
B) $3 \cdot 7$
C) $3 \cdot 7^{3}$
D) $3^{3} \cdot 7$