Express in Scientific Notation. 0.00000087
A8.7 × 10^ˉ7 incorrect answer
B87 × 10^ˉ 7 incorrect answer
C8.7 × 10^ˉ 7 incorrect answer
D0.87 × 10^ˉ 7 incorrect answer

2.   2 3/5.

3.   2 1/2.

step-by-step explanation:

6 - 3 2/5

= 6 -   17/5

= 30/5 - 17/5

= 13/5

= 2 3/5 (answer).

5 1/4 - 2 3/4

= 21/4 - 11/4

= 10/4

= 2 1/2 (answer).

i think it's either c or d

step-by-step explanation: the entire question is extremely odd. 04 obviously refers to the interest rate. honestly i will say the answer is c. because the (2 x 12) part would mean it's compounded semiannually. i'll say choose c.

360/29

step-by-step explanation:

2 over 5 and 4 over 15

don’t know last one sorry

step-by-step explanation: