Which of the following equations are true? (choose 2)
Responses
A (6.7 × 10-3) × (4 × 102) = 26.8 × 10-1(6.7 × 10 -3 ) × (4 × 10 2 ) = 26.8 × 10 -1
B (7 × 103)(4 × 102) = (28 × 106)(7 × 10 3 )(4 × 10 2 ) = (28 × 10 6 )
C (3.8 × 103)(4.4 × 106) = 1.672 × 1010(3.8 × 10 3 )(4.4 × 10 6 ) = 1.672 × 10 10
D
1.1 × 108 = 1.375 × 1015
8.0 × 107 1.1 × 10 8 = 1.375 × 10 15 8.0 × 10 7
E
9.11 × 105 = 3.6 × 1011
8.75 × 10-6
A (6.7 × 10-3) × (4 × 102) = 26.8 × 10-1(6.7 × 10 -3 ) × (4 × 10 2 ) = 26.8 × 10 -1
C (3.8 × 103)(4.4 × 106) = 1.672 × 1010(3.8 × 10 3 )(4.4 × 10 6 ) = 1.672 × 10 10