Question

6.Calculate.

a.75×10-²+4×10-³

b.10-²×10-²

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Answer 1

Answer:

Step-by-step explanation:

75×10-²+4×10-³- it means 3 times multiply and ² it means 2 times

=75×100+4×1000

=7500+4000

=10500

b.10-²×10-²

=100×100

=10000

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Answer 2

Answer:

this is ans. of 1st question

plz mark as brainliest