Sangeetha Pulapaka
0

STEP 1: Recall what are exponents

https://www.qalaxia.com/viewDiscussion?messageId=5cdad642f32dc9584bdccefe

STEP 2: Recall what are the rules of exponents

https://www.qalaxia.com/viewDiscussion?messageId=5cdad460f32dc9584bdccec7

STEP 3: Recall what is scientific notation

http://www.amathsdictionaryforkids.com/qr/s/standardNotation.html

STEP 4: Multiply

( 2 \times 10^{2})( 4 \times 10^{3})

Grouping the integers and the powers of 10, we get

= ( 2 \times 4) ( 10^{2} \times 10^{3})

= (8)(10^{2+5})

Using the product rule.

= 8 \times 10^{7}


Skills you may want to recall further:


What are integers

https://techterms.com/definition/integer