Question

Find (3 × 104) − (5 × 102).

A) 2.905 × 102
B) 2.905 × 104
C) 2.95 × 102
D) 2.95 × 104

Answer 1

1)Simplify 3\times 1043×104 to 312312

312-5\times 102312−5×102

2)Simplify 5\times 1025×102 to 510510

312-510312−510

3)Simplify

-198−198

Answer 2

your answer is d

2.95 time 104