(-3x10^4) x (2x10^-3)

-600

Step-by-step explanation:

(-3*10⁴) * (2*10^-3)

= (-3*10000) * (2*0.01)

= (-30000) * (0.02)

= -600

So, the answer should be -600

Hope this helps!

-60

Step-by-step explanation:

(-3 * 10⁴) * (2 * 10⁻³ ) = -3 * 2 * 10⁽⁴⁻³⁾

                                = -6 * 10¹

                                =  -60

In  exponent multiplication, if base are same, then add the powers.