Question

Solve:9.03*10^30-45.15*10^28

Answer 1

Answer:

8.5785× 10^30

Step-by-step explanation:

9.03× 10^30 - 45.15× 10^28

( at first make the powers same)

= 9.03 ×10^ 30 - 0.4515× 10^ 30

then solve by the method of subtraction of powers and exponents

= (9.03 - 0 .4515) × 10^30

= 8.5785×10^30.

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