Question

1.9x10^3 x 3.1x10^3 in scientific notation

Answer 1

(1.9x3.1)x(10^3x10^3)
=5.89x10^6

Answer 2

Answer: 3.871 x 10-10

Step-by-step explanation: Multiplication Steps

(4.9 x 10-6) × (7.9 x 10-5)

Group like terms:

= (4.9 x 7.9) x (10-6 x 10-5)

Multiply coefficients and add exponents:

= (38.71) x (10-11)

Convert to proper SN:

= 3.871 x 10-10