Question

Please can you give me the answer in standard form.Thankyou.​

Answer 1

Answer:

a=450000000000;b==3500

Step-by-step explanation:

a) (5 x 10³) x (9 x $10^7$)

   =45 x $10^{10}$

   =450000000000

b) (7 x $10^5$)/( 2 x $10^{2}$)

   =3.5 x $10^3$

   =3500

Answer 2

Step-by-step explanation:

pls mark it as the brainliest answer....