Evaluate the expression using exponential rules. Write the result in standard notation.
-$\left( 4.7 \times 10 ^ { - 2 } \right) \times \left( 6.6 \times 10 ^ { 4 } \right)$
A) $31.02 \times 10 ^ { - 8 }$
B) 3102
C) $310.2$
D) $31.02 \times 10 ^ { 2 }$

Question

Quizplus · Accepted Answer

First, multiply the coefficients: $4.7 \times 6.6 = 31.02$. Then, add the exponents of 10: $-2 + 4 = 2$. So, the expression becomes $31.02 \times 10^2$, which is 3102 in standard notation.

Evaluate the Expression Using Exponential Rules (4.7×10−2)×(6.6×104)\left( 4.7 \times 10 ^ { - 2 } \right) \times \left( 6.6 \times 10 ^ { 4 } \right)(4.7×10−2)×(6.6×104)

Evaluate the Expression Using Exponential Rules $\left( 4.7 \times 10 ^ { - 2 } \right) \times \left( 6.6 \times 10 ^ { 4 } \right)$