Which number represents 4.6 × 10^−4
in standard form?(1 point)
Responses
460,000
46,000
0.00046
0.000046
0.000046
To represent 4.6 × 10^−4 in standard form, you move the decimal point to the left by four places. Thus, the number in standard form is 0.000046.
To convert a number in scientific notation to standard form, you need to move the decimal point according to the exponent. In this case, the exponent is negative, which means you need to move the decimal point to the left.
For 4.6 × 10^−4, you need to move the decimal point 4 places to the left since the exponent is -4.
Start with 4.6 and move the decimal point to the left by 4 places: 0.000046.
Therefore, the number 4.6 × 10^−4 in standard form is 0.000046.