Q. Write the number 4.9×10−6 in standard form.Answer:
Understand Standard Form: Understand the meaning of standard form. Standard form means writing the number without using exponents, showing the actual number with all its digits.
Move Decimal Point: Move the decimal point to the left for negative exponents.Since the exponent is −6, we need to move the decimal point 6 places to the left.4.9×10−6 means that the number 4.9 is being divided by 10 six times, which is the same as moving the decimal point 6 places to the left.
Write in Standard Form: Write the number in standard form.Moving the decimal point 6 places to the left gives us:0.0000049