Question

Given that x = 2 x 10-3 and y = 7 10-4, evaluate
x + 8y, giving your answer in standard form.​

Answer 1

Answer:

705

Step-by-step explanation:

x = 2×10-3=20-3=17

y = 7×10-4=70-4=86

X+8y=17+8(86)

=17+688=705

Answer 2

Answer:

8.4 x 10^-3

Step-by-step explanation: