Hi can anyone help me with this math question
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a) 5×10³ × 9×10(7) (Here 7 is the power of 10)
= 5 × 9 × 10³ × 10(7)
= 45 × 10 (both powers of 10 = 7+3) So it will become.
= 45 × 10( 10) here 10 is the power of 10
= 45 × 10(10)
b) 7 × 10 (5) ÷ (2 × 10² )
Next divide ( 7÷ 2 )
= 3.5 × 10(10) [10 is the power of 10]
= 3.5 × 10(10)
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