Write the Numbers in Scientific Notation and Perform the Operations $( 0.000000063 ) ( 3,800,000,000 )$

Write the numbers in scientific notation and perform the operations. Give the answer in scientific notation and in standard notation. $( 0.000000063 ) ( 3,800,000,000 )$

A) $2.394 \times 10 ^ { 3 } , 2,394$
B) $2.394 \times 10 ^ { 2 } , 239.4$
C) $0.2394 \times 10 ^ { 2 } , 23.94$
D) $2.394 \times 10 ^ { - 2 } , 0.02394$
E) $2.394 \times 10 ^ { 2 } , 0.02394$