Question

Work out ( 4 × 10 6 ) × ( 2 × 10 7 ) Give your answer in standard form.

Answer 1

Answer:

8 × 10¹³

Step-by-step explanation:

=> $(4*10^6)*(2*10^7)$

=> $(4*2)*(10^6*10^7)$

When bases are same, powers are to be added.

=> 8 × 10 ⁶⁺⁷

=> 8 × 10¹³