How? I don't fully understand this

asked Sep 7, 2023 142k views

4 votes

4.3k points

Please log in or register to add a comment.

0 votes

$(9\cdot 10^9)\cdot (-2\cdot 10^(-3))\implies (9)(-2)\qquad (10^9\cdot 10^(-3)) \\\\\\ (-18)\qquad (10^(9-3))\implies -18\cdot 10^6$

4.2k points

4 votes

Answer: A

Explanation:

(9*10^9)*(-2*10^-3)=

9*(-2)*10^9*10*-3=

-18*10^(9+(-3))=

-18*10^(9-3)=-18*10^6 ==> A

Hannel answered Sep 11, 2023

4.2k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

4.5m questions

5.8m answers