Answer:
Fraction form: 1/729
Decimal form: 0.00137174...
Exponent form: 3^-6
8.49 x 10⁻⁷ = 0.000000849
(10y - 4) + (7y + 8) + (7y - 5) + (4y - 5) =
= 10y - 4 + 7y + 8 + 7y - 5 + 4y - 5 =
= 10y + 7y + 7y + 4y - 4 + 8 - 5 - 5 = <u>2</u><u>8</u><u>y</u><u> </u><u>-</u><u> </u><u>6</u>
Answer:
Step-by-step explanation: